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export fn entry1() void {
const x: u32 = 123;
const ptr: [*]const u32 = @ptrCast(&x);
_ = ptr - 1;
}
export fn entry2() void {
const S = extern struct { x: u32, y: u32 };
const y: u32 = 123;
const parent_ptr: *const S = @fieldParentPtr("y", &y);
_ = parent_ptr;
}
// error
//
// :4:13: error: pointer computation here causes undefined behavior
// :4:13: note: resulting pointer exceeds bounds of containing value which may trigger overflow
// :10:55: error: pointer computation here causes undefined behavior
// :10:55: note: resulting pointer exceeds bounds of containing value which may trigger overflow
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