Bogus assert caused turbofan failure.

src/ast.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_AST_H_
 #define V8_AST_H_
 
 #include "src/v8.h"
 
 #include "src/assembler.h"
@@ skipping 1949 matching lines @@
 
   // Type feedback information.
   virtual int ComputeFeedbackSlotCount() {
     return (FLAG_vector_ics && is_jsruntime()) ? 1 : 0;
   }
   virtual void SetFirstFeedbackSlot(int slot) {
     callruntime_feedback_slot_ = slot;
   }
 
   int CallRuntimeFeedbackSlot() {
-    DCHECK(!is_jsruntime() ||
-           callruntime_feedback_slot_ != kInvalidFeedbackSlot);
     return callruntime_feedback_slot_;
   }
 
   TypeFeedbackId CallRuntimeFeedbackId() const {
     return TypeFeedbackId(base_id() + 0);
   }
 
  protected:
   CallRuntime(Zone* zone, const AstRawString* name,
               const Runtime::Function* function,
@@ skipping 1642 matching lines @@
   Zone* zone_;
   Visitor visitor_;
   AstValueFactory* ast_value_factory_;
   AstNode::IdGen* id_gen_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_