bjoernager/rust
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Use custom wrap-around type instead of Range

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This commit is contained in:
Andreas Liljeqvist 2021-08-22 21:46:03 +02:00
parent 7481e6d1a4
commit 5a501f73ff
12 changed files with 255 additions and 116 deletions
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2
compiler/rustc_lint/src/types.rs
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@ -797,7 +797,7 @@ crate fn repr_nullable_ptr<'tcx>(
// Return the nullable type this Option-like enum can be safely represented with.
let field_ty_abi = &cx.layout_of(field_ty).unwrap().abi;
if let Abi::Scalar(field_ty_scalar) = field_ty_abi {
match (field_ty_scalar.valid_range.start(), field_ty_scalar.valid_range.end()) {
match (field_ty_scalar.valid_range.start, field_ty_scalar.valid_range.end) {
(0, _) => unreachable!("Non-null optimisation extended to a non-zero value."),
(1, _) => {
return Some(get_nullable_type(cx, field_ty).unwrap());