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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/incremental/issue-39569.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/incremental/issue-39569.rs')
-rw-r--r-- | src/test/incremental/issue-39569.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/incremental/issue-39569.rs b/src/test/incremental/issue-39569.rs new file mode 100644 index 000000000..881ecfca7 --- /dev/null +++ b/src/test/incremental/issue-39569.rs @@ -0,0 +1,27 @@ +// Regression test for a weird corner case in our dep-graph reduction +// code. When we solve `CoerceUnsized<Foo>`, we find no impls, so we +// don't end up with an edge to any HIR nodes, but it still gets +// preserved in the dep graph. + +// revisions:rpass1 rpass2 +// compile-flags: -Z query-dep-graph + +use std::sync::Arc; + +#[cfg(rpass1)] +struct Foo { x: usize } + +#[cfg(rpass1)] +fn main() { + let x: Arc<Foo> = Arc::new(Foo { x: 22 }); + let y: Arc<Foo> = x; +} + +#[cfg(rpass2)] +struct FooX { x: usize } + +#[cfg(rpass2)] +fn main() { + let x: Arc<FooX> = Arc::new(FooX { x: 22 }); + let y: Arc<FooX> = x; +} |