Add a LangOptions member to IdentifierResolver.
Make Sema pass the LangOptions to IdentifierResolver's constructor.

llvm-svn: 56015
diff --git a/clang/lib/Sema/IdentifierResolver.cpp b/clang/lib/Sema/IdentifierResolver.cpp
index 7943295..8c0c4d6 100644
--- a/clang/lib/Sema/IdentifierResolver.cpp
+++ b/clang/lib/Sema/IdentifierResolver.cpp
@@ -134,7 +134,9 @@
 // IdentifierResolver Implementation
 //===----------------------------------------------------------------------===//
 
-IdentifierResolver::IdentifierResolver() : IdDeclInfos(new IdDeclInfoMap) {}
+IdentifierResolver::IdentifierResolver(const LangOptions &langOpt)
+    : LangOpt(langOpt), IdDeclInfos(new IdDeclInfoMap) {
+}
 IdentifierResolver::~IdentifierResolver() {
   delete IdDeclInfos;
 }