From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/incremental/issue-39569.rs | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 tests/incremental/issue-39569.rs (limited to 'tests/incremental/issue-39569.rs') 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`, 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 = Arc::new(Foo { x: 22 }); + let y: Arc = x; +} + +#[cfg(rpass2)] +struct FooX { x: usize } + +#[cfg(rpass2)] +fn main() { + let x: Arc = Arc::new(FooX { x: 22 }); + let y: Arc = x; +} -- cgit v1.2.3