Rollup merge of #98980 - RalfJung:const-prop-ice, r=oli-obk

fix ICE in ConstProp

Fixes https://github.com/rust-lang/rust/issues/96169

1 files changed, 18 insertions, 0 deletions

diff --git a/src/test/ui/consts/issue-96169.rs b/src/test/ui/consts/issue-96169.rs
new file mode 100644
index 00000000000..14c0a1399a0
--- /dev/null
+++ b/src/test/ui/consts/issue-96169.rs
@@ -0,0 +1,18 @@
+// check-pass
+// compile-flags: -Zmir-opt-level=4 --emit=mir
+#![allow(unused)]
+fn a() -> usize { 0 }
+
+fn bar(_: u32) {}
+
+fn baz() -> *const dyn Fn(u32) { unimplemented!() }
+
+fn foo() {
+    match () {
+        _ if baz() == &bar as &dyn Fn(u32) => (),
+        () => (),
+    }
+}
+
+fn main() {
+}