Prep for new warning.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76638 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/functions.c b/test/CodeGen/functions.c
index 12dff1b..685afb2 100644
--- a/test/CodeGen/functions.c
+++ b/test/CodeGen/functions.c
@@ -32,6 +32,7 @@
 
 // RUN: grep 'define .* @f3' %t | not grep -F '...'
 struct foo { int X, Y, Z; } f3() {
+  while (1) {}
 }
 
 // PR4423 - This shouldn't crash in codegen