1 files changed, 17 insertions, 0 deletions
diff --git a/test/PCH/different-diagnostic-level.c b/test/PCH/different-diagnostic-level.c
new file mode 100644
index 0000000000..ac1a0daab1
--- /dev/null
+++ b/test/PCH/different-diagnostic-level.c
@@ -0,0 +1,17 @@
+// RUN: %clang -x c-header %s -Weverything -o %t.h.pch
+// RUN: %clang -x c %s -w -include %t.h -fsyntax-only -Xclang -verify
+
+#ifndef HEADER
+#define HEADER
+
+extern int foo;
+
+#else
+
+void f() {
+  int a = foo;
+  // Make sure we parsed this by getting an error.
+  int b = bar; // expected-error {{undeclared}}
+}
+
+#endif