Commit 84fe5d4681
Changed files (1)
test/runtime_safety.zig
@@ -4,6 +4,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
{
const check_panic_msg =
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "reached unreachable code")) {
\\ std.process.exit(126); // good
\\ }
@@ -45,6 +46,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
{
const check_panic_msg =
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "invalid enum value")) {
\\ std.process.exit(126); // good
\\ }
@@ -62,6 +64,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ var e: E = undefined;
\\ @memset(@ptrCast([*]u8, &e), 0x55, @sizeOf(E));
\\ var n = @tagName(e);
+ \\ _ = n;
\\}
);
@@ -76,6 +79,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ @memset(@ptrCast([*]u8, &u), 0x55, @sizeOf(U));
\\ var t: @typeInfo(U).Union.tag_type.? = u;
\\ var n = @tagName(t);
+ \\ _ = n;
\\}
);
}
@@ -83,6 +87,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
{
const check_panic_msg =
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "index out of bounds")) {
\\ std.process.exit(126); // good
\\ }
@@ -96,6 +101,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var buf = [4]u8{'a','b','c',0};
\\ const slice = buf[0..4 :0];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
@@ -104,6 +110,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var buf = [4]u8{'a','b','c',0};
\\ const slice = buf[0..:0];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
@@ -112,6 +119,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var buf_zero = [0]u8{};
\\ const slice = buf_zero[0..0 :0];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
@@ -120,6 +128,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var buf_zero = [0]u8{};
\\ const slice = buf_zero[0..:0];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
@@ -129,6 +138,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ var buf_sentinel = [2:0]u8{'a','b'};
\\ @ptrCast(*[3]u8, &buf_sentinel)[2] = 0;
\\ const slice = buf_sentinel[0..3 :0];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
@@ -137,6 +147,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var buf_slice: []const u8 = &[3]u8{ 'a', 'b', 0 };
\\ const slice = buf_slice[0..3 :0];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
@@ -145,6 +156,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var buf_slice: []const u8 = &[3]u8{ 'a', 'b', 0 };
\\ const slice = buf_slice[0.. :0];
+ \\ _ = slice;
\\}
);
}
@@ -153,6 +165,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\const std = @import("std");
\\const V = @import("std").meta.Vector;
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "integer cast truncated bits")) {
\\ std.process.exit(126); // good
\\ }
@@ -161,6 +174,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var x = @splat(4, @as(u32, 0xdeadbeef));
\\ var y = @intCast(V(4, u16), x);
+ \\ _ = y;
\\}
);
@@ -168,6 +182,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\const std = @import("std");
\\const V = @import("std").meta.Vector;
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "integer cast truncated bits")) {
\\ std.process.exit(126); // good
\\ }
@@ -176,6 +191,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var x = @splat(4, @as(u32, 0x80000000));
\\ var y = @intCast(V(4, i32), x);
+ \\ _ = y;
\\}
);
@@ -183,6 +199,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\const std = @import("std");
\\const V = @import("std").meta.Vector;
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "attempt to cast negative value to unsigned integer")) {
\\ std.process.exit(126); // good
\\ }
@@ -191,12 +208,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var x = @splat(4, @as(i32, -2147483647));
\\ var y = @intCast(V(4, u32), x);
+ \\ _ = y;
\\}
);
cases.addRuntimeSafety("shift left by huge amount",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "shift amount is greater than the type size")) {
\\ std.process.exit(126); // good
\\ }
@@ -206,12 +225,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ var x: u24 = 42;
\\ var y: u5 = 24;
\\ var z = x >> y;
+ \\ _ = z;
\\}
);
cases.addRuntimeSafety("shift right by huge amount",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "shift amount is greater than the type size")) {
\\ std.process.exit(126); // good
\\ }
@@ -221,12 +242,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ var x: u24 = 42;
\\ var y: u5 = 24;
\\ var z = x << y;
+ \\ _ = z;
\\}
);
cases.addRuntimeSafety("slice sentinel mismatch - optional pointers",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "sentinel mismatch")) {
\\ std.process.exit(126); // good
\\ }
@@ -235,12 +258,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var buf: [4]?*i32 = undefined;
\\ const slice = buf[0..3 :null];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("slice sentinel mismatch - floats",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "sentinel mismatch")) {
\\ std.process.exit(126); // good
\\ }
@@ -249,12 +274,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var buf: [4]f32 = undefined;
\\ const slice = buf[0..3 :1.2];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("pointer slice sentinel mismatch",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "sentinel mismatch")) {
\\ std.process.exit(126); // good
\\ }
@@ -264,12 +291,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ var buf: [4]u8 = undefined;
\\ const ptr: [*]u8 = &buf;
\\ const slice = ptr[0..3 :0];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("slice slice sentinel mismatch",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "sentinel mismatch")) {
\\ std.process.exit(126); // good
\\ }
@@ -279,12 +308,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ var buf: [4]u8 = undefined;
\\ const slice = buf[0..];
\\ const slice2 = slice[0..3 :0];
+ \\ _ = slice2;
\\}
);
cases.addRuntimeSafety("array slice sentinel mismatch",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "sentinel mismatch")) {
\\ std.process.exit(126); // good
\\ }
@@ -293,12 +324,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var buf: [4]u8 = undefined;
\\ const slice = buf[0..3 :0];
+ \\ _ = slice;
\\}
);
cases.addRuntimeSafety("intToPtr with misaligned address",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "incorrect alignment")) {
\\ std.os.exit(126); // good
\\ }
@@ -307,16 +340,20 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\pub fn main() void {
\\ var x: usize = 5;
\\ var y = @intToPtr([*]align(4) u8, x);
+ \\ _ = y;
\\}
);
cases.addRuntimeSafety("resuming a non-suspended function which never been suspended",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\fn foo() void {
\\ var f = async bar(@frame());
+ \\ _ = f;
\\ std.os.exit(0);
\\}
\\
@@ -335,6 +372,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("resuming a non-suspended function which has been suspended and resumed",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\fn foo() void {
@@ -342,6 +381,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ global_frame = @frame();
\\ }
\\ var f = async bar(@frame());
+ \\ _ = f;
\\ std.os.exit(0);
\\}
\\
@@ -363,6 +403,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("nosuspend function call, callee suspends",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -379,6 +421,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("awaiting twice",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\var frame: anyframe = undefined;
@@ -404,12 +448,15 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("@asyncCall with too small a frame",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var bytes: [1]u8 align(16) = undefined;
\\ var ptr = other;
\\ var frame = @asyncCall(&bytes, {}, ptr, .{});
+ \\ _ = frame;
\\}
\\fn other() callconv(.Async) void {
\\ suspend {}
@@ -419,6 +466,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("resuming a function which is awaiting a frame",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -437,6 +486,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("resuming a function which is awaiting a call",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -454,6 +505,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("invalid resume of async function",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -469,61 +522,78 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety(".? operator on null pointer",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var ptr: ?*i32 = null;
\\ var b = ptr.?;
+ \\ _ = b;
\\}
);
cases.addRuntimeSafety(".? operator on C pointer",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var ptr: [*c]i32 = null;
\\ var b = ptr.?;
+ \\ _ = b;
\\}
);
cases.addRuntimeSafety("@intToPtr address zero to non-optional pointer",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var zero: usize = 0;
\\ var b = @intToPtr(*i32, zero);
+ \\ _ = b;
\\}
);
cases.addRuntimeSafety("@intToPtr address zero to non-optional byte-aligned pointer",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var zero: usize = 0;
\\ var b = @intToPtr(*u8, zero);
+ \\ _ = b;
\\}
);
cases.addRuntimeSafety("pointer casting null to non-optional pointer",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var c_ptr: [*c]u8 = 0;
\\ var zig_ptr: *u8 = c_ptr;
+ \\ _ = zig_ptr;
\\}
);
cases.addRuntimeSafety("@intToEnum - no matching tag value",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\const Foo = enum {
@@ -537,12 +607,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\fn bar(a: u2) Foo {
\\ return @intToEnum(Foo, a);
\\}
- \\fn baz(a: Foo) void {}
+ \\fn baz(_: Foo) void {}
);
cases.addRuntimeSafety("@floatToInt cannot fit - negative to unsigned",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -551,12 +623,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\fn bar(a: f32) u8 {
\\ return @floatToInt(u8, a);
\\}
- \\fn baz(a: u8) void { }
+ \\fn baz(_: u8) void { }
);
cases.addRuntimeSafety("@floatToInt cannot fit - negative out of range",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -565,12 +639,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\fn bar(a: f32) i8 {
\\ return @floatToInt(i8, a);
\\}
- \\fn baz(a: i8) void { }
+ \\fn baz(_: i8) void { }
);
cases.addRuntimeSafety("@floatToInt cannot fit - positive out of range",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -579,12 +655,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\fn bar(a: f32) u8 {
\\ return @floatToInt(u8, a);
\\}
- \\fn baz(a: u8) void { }
+ \\fn baz(_: u8) void { }
);
cases.addRuntimeSafety("calling panic",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -595,6 +673,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("out of bounds slice access",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -604,12 +684,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\fn bar(a: []const i32) i32 {
\\ return a[4];
\\}
- \\fn baz(a: i32) void { }
+ \\fn baz(_: i32) void { }
);
cases.addRuntimeSafety("integer addition overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -624,12 +706,15 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("vector integer addition overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var a: std.meta.Vector(4, i32) = [_]i32{ 1, 2, 2147483643, 4 };
\\ var b: std.meta.Vector(4, i32) = [_]i32{ 5, 6, 7, 8 };
\\ const x = add(a, b);
+ \\ _ = x;
\\}
\\fn add(a: std.meta.Vector(4, i32), b: std.meta.Vector(4, i32)) std.meta.Vector(4, i32) {
\\ return a + b;
@@ -639,12 +724,15 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("vector integer subtraction overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var a: std.meta.Vector(4, u32) = [_]u32{ 1, 2, 8, 4 };
\\ var b: std.meta.Vector(4, u32) = [_]u32{ 5, 6, 7, 8 };
\\ const x = sub(b, a);
+ \\ _ = x;
\\}
\\fn sub(a: std.meta.Vector(4, u32), b: std.meta.Vector(4, u32)) std.meta.Vector(4, u32) {
\\ return a - b;
@@ -654,12 +742,15 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("vector integer multiplication overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var a: std.meta.Vector(4, u8) = [_]u8{ 1, 2, 200, 4 };
\\ var b: std.meta.Vector(4, u8) = [_]u8{ 5, 6, 2, 8 };
\\ const x = mul(b, a);
+ \\ _ = x;
\\}
\\fn mul(a: std.meta.Vector(4, u8), b: std.meta.Vector(4, u8)) std.meta.Vector(4, u8) {
\\ return a * b;
@@ -669,11 +760,14 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("vector integer negation overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var a: std.meta.Vector(4, i16) = [_]i16{ 1, -32768, 200, 4 };
\\ const x = neg(a);
+ \\ _ = x;
\\}
\\fn neg(a: std.meta.Vector(4, i16)) std.meta.Vector(4, i16) {
\\ return -a;
@@ -683,6 +777,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("integer subtraction overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -697,6 +793,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("integer multiplication overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -711,6 +809,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("integer negation overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -725,6 +825,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("signed integer division overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -739,6 +841,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("signed integer division overflow - vectors",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -755,6 +859,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("signed shift left overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -769,6 +875,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("unsigned shift left overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -783,6 +891,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("signed shift right overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -797,6 +907,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("unsigned shift right overflow",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -811,10 +923,13 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("integer division by zero",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ const x = div0(999, 0);
+ \\ _ = x;
\\}
\\fn div0(a: i32, b: i32) i32 {
\\ return @divTrunc(a, b);
@@ -824,12 +939,15 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("integer division by zero - vectors",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var a: std.meta.Vector(4, i32) = [4]i32{111, 222, 333, 444};
\\ var b: std.meta.Vector(4, i32) = [4]i32{111, 0, 333, 444};
\\ const x = div0(a, b);
+ \\ _ = x;
\\}
\\fn div0(a: std.meta.Vector(4, i32), b: std.meta.Vector(4, i32)) std.meta.Vector(4, i32) {
\\ return @divTrunc(a, b);
@@ -839,6 +957,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("exact division failure",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -853,12 +973,15 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("exact division failure - vectors",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
\\ var a: std.meta.Vector(4, i32) = [4]i32{111, 222, 333, 444};
\\ var b: std.meta.Vector(4, i32) = [4]i32{111, 222, 333, 441};
\\ const x = divExact(a, b);
+ \\ _ = x;
\\}
\\fn divExact(a: std.meta.Vector(4, i32), b: std.meta.Vector(4, i32)) std.meta.Vector(4, i32) {
\\ return @divExact(a, b);
@@ -868,6 +991,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("cast []u8 to bigger slice of wrong size",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -882,6 +1007,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("value does not fit in shortening cast",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -896,6 +1023,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("value does not fit in shortening cast - u0",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -910,6 +1039,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("signed integer not fitting in cast to unsigned integer",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -924,28 +1055,35 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("signed integer not fitting in cast to unsigned integer - widening",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var value: c_short = -1;
\\ var casted = @intCast(u32, value);
+ \\ _ = casted;
\\}
);
cases.addRuntimeSafety("unsigned integer not fitting in cast to signed integer - same bit count",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
\\ var value: u8 = 245;
\\ var casted = @intCast(i8, value);
+ \\ _ = casted;
\\}
);
cases.addRuntimeSafety("unwrap error",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = stack_trace;
\\ if (std.mem.eql(u8, message, "attempt to unwrap error: Whatever")) {
\\ std.os.exit(126); // good
\\ }
@@ -962,6 +1100,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("cast integer to global error and no code matches",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() void {
@@ -975,6 +1115,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("@errSetCast error not present in destination",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\const Set1 = error{A, B};
@@ -990,6 +1132,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("@alignCast misaligned",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\pub fn main() !void {
@@ -1007,6 +1151,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("bad union field access",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\
@@ -1031,6 +1177,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("@intCast to u0",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\
@@ -1040,6 +1188,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\
\\fn bar(one: u1, not_zero: i32) void {
\\ var x = one << @intCast(u0, not_zero);
+ \\ _ = x;
\\}
);
@@ -1049,6 +1198,8 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\const std = @import("std");
\\
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\
@@ -1058,6 +1209,7 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ const p = nonFailing();
\\ resume p;
\\ const p2 = async printTrace(p);
+ \\ _ = p2;
\\}
\\
\\fn nonFailing() anyframe->anyerror!void {
@@ -1084,12 +1236,15 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
cases.addRuntimeSafety("slicing null C pointer",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+ \\ _ = message;
+ \\ _ = stack_trace;
\\ std.os.exit(126);
\\}
\\
\\pub fn main() void {
\\ var ptr: [*c]const u32 = null;
\\ var slice = ptr[0..3];
+ \\ _ = slice;
\\}
);
}