From fc5085d5709df1cc6e409d60216c6a1f5380aa48 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= <matthias.krueger@famsik.de>
Date: Fri, 22 Mar 2024 16:45:15 +0100
Subject: [PATCH] add test for #90192

Fixes #90192
---
 .../ice-poly-with-mir-opts-90192.rs           | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tests/ui/polymorphization/ice-poly-with-mir-opts-90192.rs

diff --git a/tests/ui/polymorphization/ice-poly-with-mir-opts-90192.rs b/tests/ui/polymorphization/ice-poly-with-mir-opts-90192.rs
new file mode 100644
index 0000000000000..4557c7e517ceb
--- /dev/null
+++ 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>();
+}