Type traits intrinsic implementation: __is_base_of(T, U)
New AST node introduced: BinaryTypeTraitExpr; to be reused for more intrinsics.

llvm-svn: 121074
diff --git a/clang/lib/AST/ExprClassification.cpp b/clang/lib/AST/ExprClassification.cpp
index 3788dc7..76e9886 100644
--- a/clang/lib/AST/ExprClassification.cpp
+++ b/clang/lib/AST/ExprClassification.cpp
@@ -146,6 +146,7 @@
   case Expr::CXXNoexceptExprClass:
   case Expr::CXXScalarValueInitExprClass:
   case Expr::UnaryTypeTraitExprClass:
+  case Expr::BinaryTypeTraitExprClass:
   case Expr::ObjCSelectorExprClass:
   case Expr::ObjCProtocolExprClass:
   case Expr::ObjCStringLiteralClass: