Add r180263 back, but fix hasBraces() to be correct during parsing.

Original commit message:

Fix a case in linkage computation that should check for single line extern "C".

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180591 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/test/SemaCXX/undefined-internal.cpp b/test/SemaCXX/undefined-internal.cpp
index 839fdafb34..1b76a86dcb 100644
--- a/test/SemaCXX/undefined-internal.cpp
+++ b/test/SemaCXX/undefined-internal.cpp
@@ -323,3 +323,10 @@ namespace test13 {
   }
 }
 
+namespace test14 {
+  extern "C" const int foo;
+
+  int f() {
+    return foo;
+  }
+}