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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-object-overlap-issue-23853.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 '')
-rw-r--r-- | src/test/ui/traits/impl-object-overlap-issue-23853.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/traits/impl-object-overlap-issue-23853.rs b/src/test/ui/traits/impl-object-overlap-issue-23853.rs new file mode 100644 index 000000000..e490967b6 --- /dev/null +++ b/src/test/ui/traits/impl-object-overlap-issue-23853.rs @@ -0,0 +1,18 @@ +// run-pass +// Test that we are able to compile the case where both a blanket impl +// and the object type itself supply the required trait obligation. +// In this case, the blanket impl for `Foo` applies to any type, +// including `Bar`, but the object type `Bar` also implicitly supplies +// this context. + +trait Foo { fn dummy(&self) { } } + +trait Bar: Foo { } + +impl<T:?Sized> Foo for T { } + +fn want_foo<B:?Sized+Foo>() { } + +fn main() { + want_foo::<dyn Bar>(); +} |