NoRedZone attribute test case.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72905 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Driver/redzone.c b/test/Driver/redzone.c
new file mode 100644
index 0000000..8709e71
--- /dev/null
+++ b/test/Driver/redzone.c
@@ -0,0 +1,6 @@
+// RUN: clang -mno-red-zone %s -S -emit-llvm -o %t.log &&
+// RUN: grep 'noredzone' %t.log
+// RUN: clang -mred-zone %s -S -emit-llvm -o %t.log &&
+// RUN: grep -v 'noredzone' %t.log
+
+int foo() { return 42; }