Parse all kinds of declarations as part of a linkage-specification,
from Francois Pichet! Fixes PR7754. 


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111912 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index 2f5070c..8fd1e48 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -405,7 +405,8 @@
 ///           ';'
 ///
 /// [C++0x/GNU] 'extern' 'template' declaration
-Parser::DeclGroupPtrTy Parser::ParseExternalDeclaration(CXX0XAttributeList Attr) {
+Parser::DeclGroupPtrTy Parser::ParseExternalDeclaration(CXX0XAttributeList Attr,
+                                                        ParsingDeclSpec *DS) {
   ParenBraceBracketBalancer BalancerRAIIObj(*this);
   
   Decl *SingleDecl = 0;
@@ -494,7 +495,10 @@
 
   default:
     // We can't tell whether this is a function-definition or declaration yet.
-    return ParseDeclarationOrFunctionDefinition(Attr.AttrList);
+    if (DS)
+      return ParseDeclarationOrFunctionDefinition(*DS, Attr.AttrList);
+    else
+      return ParseDeclarationOrFunctionDefinition(Attr.AttrList);
   }
 
   // This routine returns a DeclGroup, if the thing we parsed only contains a