Commit 6ad510d832

@@ -100,7 +100,12 @@ pub fn syscall6(
 }
 
 /// This matches the libc clone function.
-pub extern fn clone(func: fn (arg: usize) callconv(.C) u8, stack: usize, flags: usize, arg: usize, ptid: *i32, tls: usize, ctid: *i32) usize;
+pub extern fn clone(func: CloneFn, stack: usize, flags: usize, arg: usize, ptid: *i32, tls: usize, ctid: *i32) usize;
+
+const CloneFn = switch (@import("builtin").zig_backend) {
+    .stage1 => fn (arg: usize) callconv(.C) u8,
+    else => *const fn (arg: usize) callconv(.C) u8,
+};
 
 pub const restore = restore_rt;
 

@@ -624,9 +624,9 @@ fn airAsm(self: *Self, inst: Air.Inst.Index) !void {
     const is_volatile = (extra.data.flags & 0x80000000) != 0;
     const clobbers_len = @truncate(u31, extra.data.flags);
     var extra_i: usize = extra.end;
-    const outputs = @bitCast([]const Air.Inst.Ref, self.air.extra[extra_i .. extra_i + extra.data.outputs_len]);
+    const outputs = @ptrCast([]const Air.Inst.Ref, self.air.extra[extra_i .. extra_i + extra.data.outputs_len]);
     extra_i += outputs.len;
-    const inputs = @bitCast([]const Air.Inst.Ref, self.air.extra[extra_i .. extra_i + extra.data.inputs_len]);
+    const inputs = @ptrCast([]const Air.Inst.Ref, self.air.extra[extra_i .. extra_i + extra.data.inputs_len]);
     extra_i += inputs.len;
 
     const dead = !is_volatile and self.liveness.isUnused(inst);
@@ -826,7 +826,7 @@ fn airCall(self: *Self, inst: Air.Inst.Index, modifier: std.builtin.CallOptions.
     const pl_op = self.air.instructions.items(.data)[inst].pl_op;
     const callee = pl_op.operand;
     const extra = self.air.extraData(Air.Call, pl_op.payload);
-    const args = @bitCast([]const Air.Inst.Ref, self.air.extra[extra.end .. extra.end + extra.data.args_len]);
+    const args = @ptrCast([]const Air.Inst.Ref, self.air.extra[extra.end .. extra.end + extra.data.args_len]);
     const ty = self.air.typeOf(callee);
     const fn_ty = switch (ty.zigTypeTag()) {
         .Fn => ty,

@@ -312,7 +312,8 @@ fn Parser(comptime ReaderType: type) type {
             var section_index: u32 = 0;
             while (self.reader.reader().readByte()) |byte| : (section_index += 1) {
                 const len = try readLeb(u32, self.reader.reader());
-                const reader = std.io.limitedReader(self.reader.reader(), len).reader();
+                var limited_reader = std.io.limitedReader(self.reader.reader(), len);
+                const reader = limited_reader.reader();
                 switch (@intToEnum(std.wasm.Section, byte)) {
                     .custom => {
                         const name_len = try readLeb(u32, reader);