Code gen for ObjCIsaExpr AST used as lvalue.
(fixes radar 7457534).

llvm-svn: 90995
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 70d598d..30cc5d9 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -971,6 +971,7 @@
   LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E);
   LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E);
   LValue EmitMemberExpr(const MemberExpr *E);
+  LValue EmitObjCIsaExpr(const ObjCIsaExpr *E);
   LValue EmitCompoundLiteralLValue(const CompoundLiteralExpr *E);
   LValue EmitConditionalOperatorLValue(const ConditionalOperator *E);
   LValue EmitCastLValue(const CastExpr *E);