Auto merge of #129778 - RalfJung:interp-lossy-typed-copy, r=saethlin · qinheping/verify-rust-std@237b11d (original) (raw)

Original file line number Diff line number Diff line change
@@ -773,15 +773,20 @@ fn offset_of_addr() {
773 773 #[test]
774 774 fn const_maybe_uninit_zeroed() {
775 775 // Sanity check for `MaybeUninit::zeroed` in a realistic const situation (plugin array term)
776 +
777 +// It is crucial that this type has no padding!
776 778 #[repr(C)]
777 779 struct Foo {
778 -a: Option<&'static str>,
780 +a: Option<&'static u8>,
779 781 b: Bar,
780 782 c: f32,
783 +_pad: u32,
781 784 d: *const u8,
782 785 }
786 +
783 787 #[repr(C)]
784 788 struct Bar(usize);
789 +
785 790 struct FooPtr(*const Foo);
786 791 unsafe impl Sync for FooPtr {}
787 792