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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-42602.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/incremental/issue-42602.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/incremental/issue-42602.rs b/src/test/incremental/issue-42602.rs new file mode 100644 index 000000000..b8d5303fb --- /dev/null +++ b/src/test/incremental/issue-42602.rs @@ -0,0 +1,44 @@ +// Regression test for #42602. It used to be that we had +// a dep-graph like +// +// typeck(foo) -> FnOnce -> typeck(bar) +// +// This was fixed by improving the resolution of the `FnOnce` trait +// selection node. + +// revisions:cfail1 cfail2 cfail3 +// compile-flags:-Zquery-dep-graph +// build-pass (FIXME(62277): could be check-pass?) + +#![feature(rustc_attrs)] + +fn main() { + a::foo(); + b::bar(); +} + +mod a { + #[cfg(cfail1)] + pub fn foo() { + let x = vec![1, 2, 3]; + let v = || ::std::mem::drop(x); + v(); + } + + #[cfg(not(cfail1))] + pub fn foo() { + let x = vec![1, 2, 3, 4]; + let v = || ::std::mem::drop(x); + v(); + } +} + +mod b { + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] + pub fn bar() { + let x = vec![1, 2, 3]; + let v = || ::std::mem::drop(x); + v(); + } +} |