Splitting the duplicated decl spec extension warning into two: one is an ExtWarn and the other a vanilla warning.  This addresses PR13705, where const char const * wouldn't warn unless -pedantic was specified under the right conditions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162793 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Parser/cxx-decl.cpp b/test/Parser/cxx-decl.cpp
index 30ac279..290b947 100644
--- a/test/Parser/cxx-decl.cpp
+++ b/test/Parser/cxx-decl.cpp
@@ -1,5 +1,7 @@
 // RUN: %clang_cc1 -verify -fsyntax-only -triple i386-linux -pedantic %s
 
+const char const *x10; // expected-warning {{duplicate 'const' declaration specifier}}
+
 int x(*g); // expected-error {{use of undeclared identifier 'g'}}
 
 struct Type {