'extern' variables in functions don't shadow externs in global scope. Fixes rdar://8883302, this time for C++ as well.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130157 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 0 deletions

diff --git a/test/SemaCXX/warn-shadow.cpp b/test/SemaCXX/warn-shadow.cpp
index 3bf9af414d..68e9467a93 100644
--- a/test/SemaCXX/warn-shadow.cpp
+++ b/test/SemaCXX/warn-shadow.cpp
@@ -70,3 +70,14 @@ struct S {
   }
 };
 }
+
+extern int bob; // expected-note {{previous declaration is here}}
+
+// rdar://8883302
+void rdar8883302() {
+  extern int bob; // don't warn for shadowing.
+}
+
+void test8() {
+  int bob; // expected-warning {{declaration shadows a variable in the global namespace}}
+}