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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/traits/impl-evaluation-order.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/traits/impl-evaluation-order.rs')
-rw-r--r-- | src/test/ui/traits/impl-evaluation-order.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/ui/traits/impl-evaluation-order.rs b/src/test/ui/traits/impl-evaluation-order.rs new file mode 100644 index 000000000..57809d89a --- /dev/null +++ b/src/test/ui/traits/impl-evaluation-order.rs @@ -0,0 +1,39 @@ +// Regression test for #79902 + +// Check that evaluation (which is used to determine whether to copy a type in +// MIR building) evaluates bounds from normalizing an impl after evaluating +// any bounds on the impl. + +// check-pass + +trait A { + type B; +} +trait M {} + +struct G<T, U>(*const T, *const U); + +impl<T, U> Clone for G<T, U> { + fn clone(&self) -> Self { + G { ..*self } + } +} + +impl<T, U> Copy for G<T, U::B> +where + T: A<B = U>, + U: A, +{ +} + +impl A for () { + type B = (); +} + +fn is_m<T: M>(_: T) {} + +fn main() { + let x = G(&(), &()); + drop(x); + drop(x); +} |