Initialize the cleanup.dst variable if necessary. Fixes PR3789.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67075 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/cleanup-stack.c b/test/CodeGen/cleanup-stack.c
new file mode 100644
index 0000000..360f6e7
--- /dev/null
+++ b/test/CodeGen/cleanup-stack.c
@@ -0,0 +1,15 @@
+// RUN: clang -emit-llvm %s -o %t &&
+// RUN: grep "store i32 0, i32* %cleanup" %t | count 2
+void f(int n) {
+ int a[n];
+
+ {
+ int b[n];
+
+ if (n)
+ return;
+ }
+
+ if (n)
+ return;
+}