Rollup merge of rust-lang#122886 - matthiaskrgr:issue90192, r=fee1-dead

add test for rust-lang#90192 Fixes rust-lang#90192
matthiaskrgr · Mar 24, 2024 · ed3e660 · ed3e660
2 parents d1dc4be + fc5085d
commit ed3e660
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/tests/ui/polymorphization/ice-poly-with-mir-opts-90192.rs b/tests/ui/polymorphization/ice-poly-with-mir-opts-90192.rs
@@ -0,0 +1,20 @@
+// issue: rust-lang/rust#90192
+// ICE assertion failed: matches!(ty.kind(), ty :: Param(_))
+//@ compile-flags:-Zpolymorphize=on -Zmir-opt-level=3
+//@ build-pass
+
+fn test<T>() {
+    std::mem::size_of::<T>();
+}
+
+pub fn foo<T>(_: T) -> &'static fn() {
+    &(test::<T> as fn())
+}
+
+fn outer<T>() {
+    foo(|| ());
+}
+
+fn main() {
+    outer::<u8>();
+}