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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/incremental/issue-39569.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/incremental/issue-39569.rs')
-rw-r--r-- | tests/incremental/issue-39569.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/incremental/issue-39569.rs b/tests/incremental/issue-39569.rs new file mode 100644 index 000000000..881ecfca7 --- /dev/null +++ b/tests/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; +} |