1 files changed, 4 insertions, 0 deletions
diff --git a/test/CodeGen/functions.c b/test/CodeGen/functions.c
index 985599216e1cb..12dff1b72cbc0 100644
--- a/test/CodeGen/functions.c
+++ b/test/CodeGen/functions.c
@@ -33,3 +33,7 @@ void f1() {}
 // RUN: grep 'define .* @f3' %t | not grep -F '...'
 struct foo { int X, Y, Z; } f3() {
 }
+
+// PR4423 - This shouldn't crash in codegen
+void f4() {}
+void f5() { f4(42); }