Push nested-name-specifier source location information into
DependentScopeDeclRefExpr. Plus, give NestedNameSpecifierLoc == and !=
operators, since we're going to need 'em elsewhere.

llvm-svn: 126508
diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index 34c3729..42f0b1a 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -1219,10 +1219,9 @@
   if (Record[Idx++])
     ReadExplicitTemplateArgumentList(E->getExplicitTemplateArgs(), 
                                      Record[Idx++]);
-  
+
+  E->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
   ReadDeclarationNameInfo(E->NameInfo, Record, Idx);
-  E->setQualifierRange(ReadSourceRange(Record, Idx));
-  E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
 }
 
 void