vendor/clang/clang-release_32-r168974

1 files changed, 43 insertions, 37 deletions

diff --git a/test/SemaCXX/warn-using-namespace-in-header.cpp b/test/SemaCXX/warn-using-namespace-in-header.cpp
index 72c25529b40f..f68b99893aae 100644
--- a/test/SemaCXX/warn-using-namespace-in-header.cpp
+++ b/test/SemaCXX/warn-using-namespace-in-header.cpp
@@ -1,54 +1,60 @@
 // 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}}
-
-
-
-
-
-
-
-
-
-// Warn inside linkage specs too.
-// expected-warning {{using namespace directive in global context in header}}
-
-
-
-
+#ifdef BE_THE_HEADER
+namespace warn_in_header_in_global_context {}
+using namespace warn_in_header_in_global_context; // expected-warning {{using namespace directive in global context in header}}
 
+// While we want to error on the previous using directive, we don't when we are
+// inside a namespace
+namespace dont_warn_here {
+using namespace warn_in_header_in_global_context;
+}
 
-// expected-warning {{using namespace directive in global context in header}}
+// We should warn in toplevel extern contexts.
+namespace warn_inside_linkage {}
+extern "C++" {
+using namespace warn_inside_linkage; // expected-warning {{using namespace directive in global context in header}}
+}
 
+// This is really silly, but we should warn on it:
+extern "C++" {
+extern "C" {
+extern "C++" {
+using namespace warn_inside_linkage; // expected-warning {{using namespace directive in global context in header}}
+}
+}
+}
 
+// But we shouldn't warn in extern contexts inside namespaces.
+namespace dont_warn_here {
+extern "C++" {
+using namespace warn_in_header_in_global_context;
+}
+}
 
+// We also shouldn't warn in case of functions.
+inline void foo() {
+  using namespace warn_in_header_in_global_context;
+}
 
 
+namespace macronamespace {}
+#define USING_MACRO using namespace macronamespace;
 
+// |using namespace| through a macro should warn if the instantiation is in a
+// header.
+USING_MACRO // expected-warning {{using namespace directive in global context in header}}
 
+#else
 
+#define BE_THE_HEADER
+#include __FILE__
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-// expected-warning {{using namespace directive in global context in header}}
+namespace dont_warn {}
+using namespace dont_warn;
 
 // |using namespace| through a macro shouldn't warn if the instantiation is in a
 // cc file.
 USING_MACRO
+
+#endif