r178333 - Don't special case one line extern "C" decls.

[Rafael Espindola]

Author: rafael
Date: Fri Mar 29 02:02:31 2013
New Revision: 178333

URL: http://llvm.org/viewvc/llvm-project?rev=178333&view=rev
Log:
Don't special case one line extern "C" decls.

We already avoided warning for

extern "C" const char *Version_string = "2.9";

now we also don't produce any warnings for

extern "C" {
  extern const char *Version_string2 = "2.9";
}

Modified:
    cfe/trunk/lib/Sema/SemaDecl.cpp
    cfe/trunk/test/SemaCXX/linkage-spec.cpp

Modified: cfe/trunk/lib/Sema/SemaDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDecl.cpp?rev=178333&r1=178332&r2=178333&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDecl.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDecl.cpp Fri Mar 29 02:02:31 2013
@@ -7565,6 +7565,7 @@ void Sema::AddInitializerToDecl(Decl *Re
     }
   } else if (VDecl->isFileVarDecl()) {
     if (VDecl->getStorageClassAsWritten() == SC_Extern &&
+        !VDecl->isExternC() &&
         (!getLangOpts().CPlusPlus ||
          !Context.getBaseElementType(VDecl->getType()).isConstQualified()))
       Diag(VDecl->getLocation(), diag::warn_extern_init);

Modified: cfe/trunk/test/SemaCXX/linkage-spec.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/linkage-spec.cpp?rev=178333&r1=178332&r2=178333&view=diff
==============================================================================
--- cfe/trunk/test/SemaCXX/linkage-spec.cpp (original)
+++ cfe/trunk/test/SemaCXX/linkage-spec.cpp Fri Mar 29 02:02:31 2013
@@ -90,6 +90,10 @@ extern "C++" using N::value;
 // PR7076
 extern "C" const char *Version_string = "2.9";
 
+extern "C" {
+  extern const char *Version_string2 = "2.9";
+}
+
 namespace PR9162 {
   extern "C" {
     typedef struct _ArtsSink ArtsSink;