zig/test/behavior/bugs/2006.zig

22 lines
677 B
Zig

const std = @import("std");
const expect = std.testing.expect;
const builtin = @import("builtin");
const S = struct {
p: *S,
};
test "bug 2006" {
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
var a: S = undefined;
a = S{ .p = undefined };
try expect(@sizeOf(S) != 0);
if (@import("builtin").zig_backend != .stage1) {
// It is an accepted proposal to make `@sizeOf` for pointers independent
// of whether the element type is zero bits.
// This language change has not been implemented in stage1.
try expect(@sizeOf(*void) == @sizeOf(*i32));
} else {
try expect(@sizeOf(*void) == 0);
}
}