Improvements to decltype. We now don't crash anymore when the expr is an overloaded function decl.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74472 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index a53e420..cbd4f58 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -406,6 +406,9 @@
 
   QualType getQualifiedNameType(const CXXScopeSpec &SS, QualType T);
 
+  QualType BuildTypeofExprType(Expr *E);
+  QualType BuildDecltypeType(Expr *E);
+  
   //===--------------------------------------------------------------------===//
   // Symbol table / Decl tracking callbacks: SemaDecl.cpp.
   //