Commit c51930b060

Jacob Young <jacobly0@users.noreply.github.com>
2023-03-14 02:12:57
behavior: enable passing behavior tests on stage2_x86_64
master
1 parent 5ab426a
Changed files (58)
test
behavior
bugs
1076.zig
11046.zig
11787.zig
12000.zig
12119.zig
12169.zig
12890.zig
13113.zig
1421.zig
1607.zig
2622.zig
2727.zig
3742.zig
394.zig
421.zig
5398.zig
5487.zig
656.zig
6947.zig
align.zig
array.zig
bit_shifting.zig
bitreverse.zig
byteswap.zig
byval_arg_var.zig
call.zig
cast.zig
defer.zig
enum.zig
error.zig
eval.zig
floatop.zig
fn.zig
for.zig
generics.zig
if.zig
member_func.zig
null.zig
optional.zig
pointers.zig
ptrcast.zig
ref_var_in_if_after_if_2nd_switch_prong.zig
reflection.zig
sizeof_and_typeof.zig
slice.zig
struct.zig
struct_contains_null_ptr_itself.zig
switch.zig
threadlocal.zig
translate_c_macros.zig
tuple.zig
type.zig
type_info.zig
union.zig
vector.zig
void.zig
while.zig
widening.zig
test/behavior/bugs/1076.zig
@@ -4,7 +4,6 @@ const mem = std.mem;
 const expect = std.testing.expect;
 
 test "comptime code should not modify constant data" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/bugs/11046.zig
@@ -10,7 +10,6 @@ fn bar() !void {
 }
 
 test "fixed" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/bugs/11787.zig
@@ -4,7 +4,6 @@ const testing = std.testing;
 
 test "slicing zero length array field of struct" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
test/behavior/bugs/12000.zig
@@ -7,7 +7,6 @@ const T = struct {
 
 test {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
test/behavior/bugs/12119.zig
@@ -6,7 +6,6 @@ const u32x8 = @Vector(8, u32);
 
 test {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
test/behavior/bugs/12169.zig
@@ -3,7 +3,6 @@ const builtin = @import("builtin");
 
 test {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
test/behavior/bugs/12890.zig
@@ -10,7 +10,6 @@ fn a(b: []u3, c: u3) void {
 }
 test {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     var arr: [8]u3 = undefined;
test/behavior/bugs/13113.zig
@@ -8,7 +8,6 @@ const Foo = extern struct {
 
 test {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
test/behavior/bugs/1421.zig
@@ -9,7 +9,6 @@ const S = struct {
 };
 
 test "functions with return type required to be comptime are generic" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const ti = S.method();
     try expect(@as(std.builtin.TypeId, ti) == std.builtin.TypeId.Struct);
 }
test/behavior/bugs/1607.zig
@@ -13,7 +13,6 @@ fn checkAddress(s: []const u8) !void {
 test "slices pointing at the same address as global array." {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     try checkAddress(&a);
     comptime try checkAddress(&a);
test/behavior/bugs/2622.zig
@@ -4,7 +4,6 @@ var buf: []u8 = undefined;
 
 test "reslice of undefined global var slice" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
test/behavior/bugs/2727.zig
@@ -6,7 +6,6 @@ fn t() bool {
 
 test {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
test/behavior/bugs/3742.zig
@@ -37,7 +37,6 @@ pub const ArgSerializer = struct {
 test "fixed" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_llvm and
         builtin.cpu.arch == .aarch64 and builtin.os.tag == .windows) return error.SkipZigTest;
test/behavior/bugs/394.zig
@@ -11,7 +11,6 @@ const expect = @import("std").testing.expect;
 const builtin = @import("builtin");
 
 test "fixed" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const x = S{
         .x = 3,
         .y = E{ .B = 1 },
test/behavior/bugs/421.zig
@@ -2,7 +2,6 @@ const builtin = @import("builtin");
 const expect = @import("std").testing.expect;
 
 test "bitCast to array" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/bugs/5398.zig
@@ -21,7 +21,6 @@ var renderable: Renderable = undefined;
 test "assignment of field with padding" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     renderable = Renderable{
test/behavior/bugs/5487.zig
@@ -12,7 +12,6 @@ pub fn writer() io.Writer(void, @typeInfo(@typeInfo(@TypeOf(write)).Fn.return_ty
 test "crash" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     _ = io.multiWriter(.{writer()});
 }
test/behavior/bugs/656.zig
@@ -13,7 +13,6 @@ const Value = struct {
 test "optional if after an if in a switch prong of a switch with 2 prongs in an else" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     try foo(false, true);
 }
test/behavior/bugs/6947.zig
@@ -6,7 +6,6 @@ fn destroy(ptr: *void) void {
 
 test {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
test/behavior/align.zig
@@ -568,7 +568,6 @@ fn overaligned_fn() align(0x1000) i32 {
 }
 
 test "comptime alloc alignment" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
test/behavior/array.zig
@@ -591,7 +591,6 @@ test "type coercion of anon struct literal to array" {
 test "type coercion of pointer to anon struct literal to pointer to array" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
test/behavior/bit_shifting.zig
@@ -63,7 +63,6 @@ fn ShardedTable(comptime Key: type, comptime mask_bit_count: comptime_int, compt
 test "sharded table" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     // realistic 16-way sharding
test/behavior/bitreverse.zig
@@ -150,7 +150,6 @@ fn vector0() !void {
 
 test "bitReverse vectors u0" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
 
     comptime try vector0();
     try vector0();
test/behavior/byteswap.zig
@@ -116,7 +116,6 @@ fn vector0() !void {
 
 test "@byteSwap vectors u0" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
 
     comptime try vector0();
     try vector0();
test/behavior/byval_arg_var.zig
@@ -4,7 +4,6 @@ const builtin = @import("builtin");
 var result: []const u8 = "wrong";
 
 test "pass string literal byvalue to a generic var param" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     start();
test/behavior/call.zig
@@ -21,7 +21,6 @@ test "super basic invocations" {
 test "basic invocations" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -56,7 +55,6 @@ test "basic invocations" {
 test "tuple parameters" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const add = struct {
test/behavior/cast.zig
@@ -176,7 +176,6 @@ fn expectFloatToInt(comptime F: type, f: F, comptime I: type, i: I) !void {
 
 test "implicitly cast indirect pointer to maybe-indirect pointer" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64 or builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
@@ -318,7 +317,6 @@ test "peer result null and comptime_int" {
 
 test "*const ?[*]const T to [*c]const [*c]const T" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64 or builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     var array = [_]u8{ 'o', 'k' };
@@ -588,7 +586,6 @@ fn testCastPtrOfArrayToSliceAndPtr() !void {
 
 test "cast *[1][*]const u8 to [*]const ?[*]const u8" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const window_name = [1][*]const u8{"window name"};
@@ -927,7 +924,6 @@ test "peer cast *[N:x]T to *[N]T" {
 
 test "peer cast [*:x]T to [*]T" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
@@ -948,7 +944,6 @@ test "peer cast [*:x]T to [*]T" {
 test "peer cast [:x]T to [*:x]T" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
@@ -989,7 +984,6 @@ test "peer type resolution implicit cast to return type" {
 
 test "peer type resolution implicit cast to variable type" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
@@ -1112,8 +1106,6 @@ fn incrementVoidPtrArray(array: ?*anyopaque, len: usize) void {
 }
 
 test "compile time int to ptr of function" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
-
     try foobar(FUNCTION_CONSTANT);
 }
 
@@ -1505,7 +1497,6 @@ test "implicit cast from [:0]T to [*c]T" {
 test "bitcast packed struct with u0" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
 
     const S = packed struct(u2) { a: u0, b: u2 };
     const s = @bitCast(S, @as(u2, 2));
test/behavior/defer.zig
@@ -50,7 +50,6 @@ fn testNestedFnErrDefer() anyerror!void {
 }
 
 test "return variable while defer expression in scope to modify it" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/enum.zig
@@ -937,7 +937,6 @@ test "enum literal casting to error union with payload enum" {
 }
 
 test "constant enum initialization with differing sizes" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -1137,7 +1136,6 @@ test "tag name functions are unique" {
 }
 
 test "size of enum with only one tag which has explicit integer tag type" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/error.zig
@@ -144,15 +144,11 @@ test "implicit cast to optional to error union to return result loc" {
 }
 
 test "fn returning empty error set can be passed as fn returning any error" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
-
     entry();
     comptime entry();
 }
 
 test "fn returning empty error set can be passed as fn returning any error - pointer" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
-
     entryPtr();
     comptime entryPtr();
 }
@@ -219,7 +215,6 @@ fn testErrorSetType() !void {
 }
 
 test "explicit error set cast" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     try testExplicitErrorSetCast(Set1.A);
@@ -238,7 +233,6 @@ fn testExplicitErrorSetCast(set1: Set1) !void {
 }
 
 test "comptime test error for empty error set" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     try testComptimeTestErrorEmptySet(1234);
@@ -255,8 +249,6 @@ fn testComptimeTestErrorEmptySet(x: EmptyErrorSet!i32) !void {
 }
 
 test "comptime err to int of error set with only 1 possible value" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
-
     testErrToIntWithOnePossibleValue(error.A, @errorToInt(error.A));
     comptime testErrToIntWithOnePossibleValue(error.A, @errorToInt(error.A));
 }
@@ -426,7 +418,6 @@ test "nested error union function call in optional unwrap" {
 }
 
 test "return function call to error set from error union function" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -486,7 +477,6 @@ test "nested catch" {
 }
 
 test "function pointer with return type that is error union with payload which is pointer of parent struct" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
test/behavior/eval.zig
@@ -138,7 +138,6 @@ test "pointer to type" {
 }
 
 test "a type constructed in a global expression" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -1515,7 +1514,6 @@ test "x or true is comptime-known true" {
 }
 
 test "non-optional and optional array elements concatenated" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
test/behavior/floatop.zig
@@ -21,7 +21,6 @@ fn epsForType(comptime T: type) T {
 
 test "floating point comparisons" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     try testFloatComparisons();
@@ -91,7 +90,6 @@ fn testDifferentSizedFloatComparisons() !void {
 
 test "negative f128 floatToInt at compile-time" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -331,7 +329,6 @@ fn testExpWithVectors() !void {
 
 test "@exp2" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -500,7 +497,6 @@ fn testLog10WithVectors() !void {
 
 test "@fabs" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -627,7 +623,6 @@ test "a third @fabs test, surely there should not be three fabs tests" {
 
 test "@floor" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -720,7 +715,6 @@ fn testFloorLegacy(comptime T: type, x: T) !void {
 
 test "@ceil" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -813,7 +807,6 @@ fn testCeilLegacy(comptime T: type, x: T) !void {
 
 test "@trunc" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/fn.zig
@@ -275,7 +275,6 @@ test "implicit cast fn call result to optional in field result" {
 }
 
 test "void parameters" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
 
@@ -300,7 +299,6 @@ fn acceptsString(foo: []u8) void {
 }
 
 test "function pointers" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/for.zig
@@ -110,7 +110,6 @@ test "basic for loop" {
 }
 
 test "for with null and T peer types and inferred result location type" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -152,7 +151,6 @@ test "2 break statements and an else" {
 }
 
 test "for loop with pointer elem var" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -198,7 +196,6 @@ test "for copies its payload" {
 }
 
 test "for on slice with allowzero ptr" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -253,7 +250,6 @@ test "for loop with else branch" {
 test "count over fixed range" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
 
     var sum: usize = 0;
     for (0..6) |i| {
@@ -266,7 +262,6 @@ test "count over fixed range" {
 test "two counters" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
 
     var sum: usize = 0;
     for (0..10, 10..20) |i, j| {
@@ -280,7 +275,6 @@ test "two counters" {
 test "1-based counter and ptr to array" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
 
     var ok: usize = 0;
 
@@ -401,7 +395,6 @@ test "raw pointer and counter" {
 test "inline for with slice as the comptime-known" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
 
     const comptime_slice = "hello";
@@ -432,7 +425,6 @@ test "inline for with slice as the comptime-known" {
 test "inline for with counter as the comptime-known" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
 
     var runtime_slice = "hello";
test/behavior/generics.zig
@@ -56,7 +56,6 @@ fn sameButWithFloats(a: f64, b: f64) f64 {
 }
 
 test "fn with comptime args" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -67,7 +66,6 @@ test "fn with comptime args" {
 }
 
 test "anytype params" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -93,7 +91,6 @@ fn max_f64(a: f64, b: f64) f64 {
 }
 
 test "type constructed by comptime function call" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/if.zig
@@ -78,7 +78,6 @@ test "const result loc, runtime if cond, else unreachable" {
 }
 
 test "if copies its payload" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/member_func.zig
@@ -27,7 +27,6 @@ const HasFuncs = struct {
 };
 
 test "standard field calls" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -71,7 +70,6 @@ test "standard field calls" {
 }
 
 test "@field field calls" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/null.zig
@@ -50,7 +50,6 @@ test "rhs maybe unwrap return" {
 }
 
 test "maybe return" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -71,7 +70,6 @@ fn foo(x: ?i32) ?bool {
 }
 
 test "test null runtime" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -184,7 +182,6 @@ const SillyStruct = struct {
 const here_is_a_null_literal = SillyStruct{ .context = null };
 
 test "unwrap optional which is field of global var" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/optional.zig
@@ -274,7 +274,6 @@ test "0-bit child type coerced to optional return ptr result location" {
 }
 
 test "0-bit child type coerced to optional" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
test/behavior/pointers.zig
@@ -190,7 +190,6 @@ test "compare equality of optional and non-optional pointer" {
 test "allowzero pointer and slice" {
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -510,7 +509,6 @@ test "ptrToInt on a generic function" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
 
     const S = struct {
         fn generic(i: anytype) @TypeOf(i) {
test/behavior/ptrcast.zig
@@ -53,7 +53,6 @@ fn testReinterpretStructWrappedBytesAsInteger() !void {
 }
 
 test "reinterpret bytes of an array into an extern struct" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/ref_var_in_if_after_if_2nd_switch_prong.zig
@@ -5,7 +5,6 @@ const mem = std.mem;
 
 var ok: bool = false;
 test "reference a variable in an if after an if in the 2nd switch prong" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/reflection.zig
@@ -27,7 +27,6 @@ fn dummy(a: bool, b: i32, c: f32) i32 {
 
 test "reflection: @field" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     var f = Foo{
test/behavior/sizeof_and_typeof.zig
@@ -18,7 +18,6 @@ test "@sizeOf on compile-time types" {
 }
 
 test "@TypeOf() with multiple arguments" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     {
         var var_1: u32 = undefined;
         var var_2: u8 = undefined;
@@ -138,7 +137,6 @@ test "@sizeOf(T) == 0 doesn't force resolving struct size" {
 }
 
 test "@TypeOf() has no runtime side effects" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const S = struct {
         fn foo(comptime T: type, ptr: *T) T {
             ptr.* += 1;
@@ -153,7 +151,6 @@ test "@TypeOf() has no runtime side effects" {
 
 test "branching logic inside @TypeOf" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const S = struct {
         var data: i32 = 0;
         fn foo() anyerror!i32 {
test/behavior/slice.zig
@@ -119,7 +119,6 @@ test "slice of type" {
 }
 
 test "generic malloc free" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const a = memAlloc(u8, 10) catch unreachable;
@@ -171,7 +170,6 @@ test "comptime pointer cast array and then slice" {
 
 test "slicing zero length array" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const s1 = ""[0..];
@@ -185,8 +183,6 @@ test "slicing zero length array" {
 const x = @intToPtr([*]i32, 0x1000)[0..0x500];
 const y = x[0x100..];
 test "compile time slice of pointer to hard coded address" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
-
     try expect(@ptrToInt(x) == 0x1000);
     try expect(x.len == 0x500);
 
@@ -342,7 +338,6 @@ test "@ptrCast slice to pointer" {
 }
 
 test "slice syntax resulting in pointer-to-array" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -477,7 +472,6 @@ test "slice syntax resulting in pointer-to-array" {
 }
 
 test "slice pointer-to-array null terminated" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -497,7 +491,6 @@ test "slice pointer-to-array null terminated" {
 }
 
 test "slice pointer-to-array zero length" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     comptime {
@@ -530,7 +523,6 @@ test "slice pointer-to-array zero length" {
 }
 
 test "type coercion of pointer to anon struct literal to pointer to slice" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -730,7 +722,6 @@ test "slice with dereferenced value" {
 
 test "empty slice ptr is non null" {
     if (builtin.zig_backend == .stage2_aarch64 and builtin.os.tag == .macos) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64 and (builtin.os.tag == .macos or builtin.os.tag == .windows)) return error.SkipZigTest; // TODO
 
     const empty_slice: []u8 = &[_]u8{};
     const p: [*]u8 = empty_slice.ptr + 0;
test/behavior/struct.zig
@@ -342,7 +342,6 @@ fn testPassSliceOfEmptyStructToFn(slice: []const EmptyStruct2) usize {
 test "self-referencing struct via array member" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const T = struct {
@@ -536,7 +535,6 @@ test "implicit cast packed struct field to const ptr" {
 }
 
 test "zero-bit field in packed struct" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = packed struct {
@@ -719,7 +717,6 @@ test "pointer to packed struct member in a stack variable" {
 }
 
 test "packed struct with u0 field access" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = packed struct {
@@ -1018,7 +1015,6 @@ test "type coercion of anon struct literal to struct" {
 }
 
 test "type coercion of pointer to anon struct literal to pointer to struct" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -1088,7 +1084,6 @@ test "packed struct with undefined initializers" {
 }
 
 test "for loop over pointers to struct, getting field from struct pointer" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/struct_contains_null_ptr_itself.zig
@@ -4,7 +4,6 @@ const builtin = @import("builtin");
 
 test "struct contains null pointer which contains original struct" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     var x: ?*NodeLineComment = null;
test/behavior/switch.zig
@@ -403,7 +403,6 @@ fn return_a_number() anyerror!i32 {
 }
 
 test "switch on integer with else capturing expr" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
@@ -577,7 +576,6 @@ test "switch prongs with cases with identical payload types" {
 }
 
 test "switch on pointer type" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/threadlocal.zig
@@ -4,7 +4,6 @@ const expect = std.testing.expect;
 
 test "thread local variable" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_llvm) switch (builtin.cpu.arch) {
@@ -40,7 +39,6 @@ threadlocal var buffer: [11]u8 = undefined;
 
 test "reference a global threadlocal variable" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_llvm) switch (builtin.cpu.arch) {
test/behavior/translate_c_macros.zig
@@ -79,7 +79,6 @@ test "casting to union with a macro" {
 
 test "casting or calling a value with a paren-surrounded macro" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/tuple.zig
@@ -126,7 +126,6 @@ test "tuple initializer for var" {
 }
 
 test "array-like initializer for tuple types" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/type.zig
@@ -449,8 +449,6 @@ test "Type.Union" {
 }
 
 test "Type.Union from Type.Enum" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
-
     const Tag = @Type(.{
         .Enum = .{
             .tag_type = u0,
@@ -475,8 +473,6 @@ test "Type.Union from Type.Enum" {
 }
 
 test "Type.Union from regular enum" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
-
     const E = enum { working_as_expected };
     const T = @Type(.{
         .Union = .{
test/behavior/type_info.zig
@@ -509,7 +509,6 @@ test "type info for async frames" {
 }
 
 test "Declarations are returned in declaration order" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
@@ -532,7 +531,6 @@ test "Struct.is_tuple for anon list literal" {
 }
 
 test "Struct.is_tuple for anon struct literal" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const info = @typeInfo(@TypeOf(.{ .a = 0 }));
test/behavior/union.zig
@@ -11,7 +11,6 @@ const FooWithFloats = union {
 };
 
 test "basic unions with floats" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -379,7 +378,6 @@ test "union with only 1 field which is void should be zero bits" {
 }
 
 test "tagged union initialization with runtime void" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -400,7 +398,6 @@ fn testTaggedUnionInit(x: anytype) bool {
 pub const UnionEnumNoPayloads = union(enum) { A, B };
 
 test "tagged union with no payloads" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -466,7 +463,6 @@ pub const FooUnion = union(enum) {
 var glbl_array: [2]FooUnion = undefined;
 
 test "initialize global array of union" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -494,7 +490,6 @@ test "update the tag value for zero-sized unions" {
 
 test "union initializer generates padding only if needed" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -561,7 +556,6 @@ const FooNoVoid = union(enum) {
 const Baz = enum { A, B, C, D };
 
 test "tagged union type" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const foo1 = TaggedFoo{ .One = 13 };
@@ -598,7 +592,6 @@ fn returnAnInt(x: i32) TaggedFoo {
 }
 
 test "tagged union with all void fields but a meaningful tag" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -777,7 +770,6 @@ fn Setter(comptime attr: Attribute) type {
 }
 
 test "return union init with void payload" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
@@ -913,7 +905,6 @@ test "extern union doesn't trigger field check at comptime" {
 test "anonymous union literal syntax" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
test/behavior/vector.zig
@@ -382,7 +382,6 @@ test "store vector elements via runtime index" {
 }
 
 test "initialize vector which is a struct field" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -794,7 +793,6 @@ test "vector reduce operation" {
 
 test "vector @reduce comptime" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -1069,7 +1067,6 @@ test "alignment of vectors" {
 
 test "loading the second vector from a slice of vectors" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -1150,7 +1147,6 @@ test "byte vector initialized in inline function" {
 
 test "zero divisor" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -1171,7 +1167,6 @@ test "zero divisor" {
 
 test "zero multiplicand" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -1234,7 +1229,6 @@ test "load packed vector element" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
 
     var x: @Vector(2, u15) = .{ 1, 4 };
     try expect((&x[0]).* == 1);
test/behavior/void.zig
@@ -33,7 +33,6 @@ fn times(n: usize) []const void {
 }
 
 test "void optional" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/while.zig
@@ -104,7 +104,6 @@ fn testBreakOuter() void {
 }
 
 test "while copies its payload" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -143,7 +142,6 @@ fn runContinueAndBreakTest() !void {
 }
 
 test "while with optional as condition" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -156,7 +154,6 @@ test "while with optional as condition" {
 }
 
 test "while with optional as condition with else" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -174,7 +171,6 @@ test "while with optional as condition with else" {
 }
 
 test "while with error union condition" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     numbers_left = 10;
@@ -205,7 +201,6 @@ test "while on bool with else result follow break prong" {
 }
 
 test "while on optional with else result follow else prong" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -217,7 +212,6 @@ test "while on optional with else result follow else prong" {
 }
 
 test "while on optional with else result follow break prong" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -290,7 +284,6 @@ test "while bool 2 break statements and an else" {
 }
 
 test "while optional 2 break statements and an else" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -310,7 +303,6 @@ test "while optional 2 break statements and an else" {
 }
 
 test "while error 2 break statements and an else" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
test/behavior/widening.zig
@@ -28,7 +28,6 @@ test "integer widening u0 to u8" {
 }
 
 test "implicit unsigned integer to signed integer" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO