1 files changed, 13 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/warn-everthing.cpp b/clang/test/SemaCXX/warn-everthing.cpp
new file mode 100644
index 0000000..ad3dd8a
--- /dev/null
+++ b/clang/test/SemaCXX/warn-everthing.cpp
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -Weverything -fsyntax-only %s -verify
+
+// This previously crashed due to a bug in the CFG.  Exercising all
+// warnings helps check CFG construction.
+class PR12271 {
+public:
+  PR12271();
+  ~PR12271();
+};
+
+void testPR12271() { // expected-warning {{no previous prototype for function 'testPR12271'}}
+  PR12271 a[1][1]; // expected-warning {{unused variable 'a'}}
+}