Implement support for C++ nested-name-specifiers ('foo::bar::x') in the Parser side.
No Sema functionality change, just the signatures of the Action/Sema methods.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58913 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index d3650c8..d638b8d 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -337,7 +337,8 @@
 /// identifier is used in a function call context.
 Sema::ExprResult Sema::ActOnIdentifierExpr(Scope *S, SourceLocation Loc,
                                            IdentifierInfo &II,
-                                           bool HasTrailingLParen) {
+                                           bool HasTrailingLParen,
+                                           const CXXScopeSpec *SS) {
   // Could be enum-constant, value decl, instance variable, etc.
   Decl *D = LookupDecl(&II, Decl::IDNS_Ordinary, S);