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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:50 +0000 |
commit | 2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35 (patch) | |
tree | d325add32978dbdc1db975a438b3a77d571b1ab8 /tests/ui/const-generics/generic_const_exprs/const_kind_expr/relate_ty_with_infer_1.rs | |
parent | Releasing progress-linux version 1.68.2+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.tar.xz rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.zip |
Merging upstream version 1.69.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/const-generics/generic_const_exprs/const_kind_expr/relate_ty_with_infer_1.rs')
-rw-r--r-- | tests/ui/const-generics/generic_const_exprs/const_kind_expr/relate_ty_with_infer_1.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/ui/const-generics/generic_const_exprs/const_kind_expr/relate_ty_with_infer_1.rs b/tests/ui/const-generics/generic_const_exprs/const_kind_expr/relate_ty_with_infer_1.rs new file mode 100644 index 000000000..1e2484118 --- /dev/null +++ b/tests/ui/const-generics/generic_const_exprs/const_kind_expr/relate_ty_with_infer_1.rs @@ -0,0 +1,30 @@ +// check-pass +#![feature(generic_const_exprs)] +#![allow(incomplete_features)] + +// issue #107899 +// We end up relating `Const(ty: size_of<?0>, kind: Value(Branch([])))` with +// `Const(ty: size_of<T>, kind: Value(Branch([])))` which if you were to `==` +// the `ty` fields would return `false` and ICE. This test checks that we use +// actual semantic equality that takes into account aliases and infer vars. + +use std::mem::size_of; + +trait X<T> { + fn f(self); + fn g(self); +} + +struct Y; + +impl<T> X<T> for Y +where + [(); size_of::<T>()]: Sized, +{ + fn f(self) { + self.g(); + } + fn g(self) {} +} + +fn main() {} |