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-rw-r--r--test/SemaCXX/warn-using-namespace-in-header.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/test/SemaCXX/warn-using-namespace-in-header.cpp b/test/SemaCXX/warn-using-namespace-in-header.cpp
new file mode 100644
index 0000000000..393e097df5
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+++ b/test/SemaCXX/warn-using-namespace-in-header.cpp
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -fsyntax-only -Wheader-hygiene -verify %s
+
+#include "warn-using-namespace-in-header.h"
+
+namespace dont_warn {}
+using namespace dont_warn;
+
+// Warning is actually in the header but only the cpp file gets scanned.
+// expected-warning {{using namespace directive in global context in header}}