2 files changed, 14 insertions, 0 deletions
diff --git a/tests/run-make/issue-46239/Makefile b/tests/run-make/issue-46239/Makefile
new file mode 100644
index 000000000..0006ced25
--- /dev/null
+++ b/tests/run-make/issue-46239/Makefile
@@ -0,0 +1,6 @@
+# ignore-cross-compile
+include ../tools.mk
+
+all:
+	$(RUSTC) main.rs -C opt-level=1
+	$(call RUN,main)
diff --git a/tests/run-make/issue-46239/main.rs b/tests/run-make/issue-46239/main.rs
new file mode 100644
index 000000000..b7df5cf4d
--- /dev/null
+++ b/tests/run-make/issue-46239/main.rs
@@ -0,0 +1,8 @@
+fn project<T>(x: &(T,)) -> &T { &x.0 }
+
+fn dummy() {}
+
+fn main() {
+    let f = (dummy as fn(),);
+    (*project(&f))();
+}