Externalize deoptimization reasons.

src/hydrogen-instructions.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_HYDROGEN_INSTRUCTIONS_H_
 #define V8_HYDROGEN_INSTRUCTIONS_H_
 
 #include <cstring>
 #include <iosfwd>
 
@@ skipping 1345 matching lines @@
 
   std::ostream& PrintDataTo(std::ostream& os) const OVERRIDE;  // NOLINT
 
   DECLARE_CONCRETE_INSTRUCTION(Goto)
 };
 
 
 class HDeoptimize FINAL : public HTemplateControlInstruction<1, 0> {
  public:
   static HDeoptimize* New(Isolate* isolate, Zone* zone, HValue* context,
-                          const char* reason, Deoptimizer::BailoutType type,
+                          Deoptimizer::DeoptReason reason,
+                          Deoptimizer::BailoutType type,
                           HBasicBlock* unreachable_continuation) {
     return new(zone) HDeoptimize(reason, type, unreachable_continuation);
   }
 
   bool KnownSuccessorBlock(HBasicBlock** block) OVERRIDE {
     *block = NULL;
     return true;
   }
 
   Representation RequiredInputRepresentation(int index) OVERRIDE {
     return Representation::None();
   }
 
-  const char* reason() const { return reason_; }
+  Deoptimizer::DeoptReason reason() const { return reason_; }
   Deoptimizer::BailoutType type() { return type_; }
 
   DECLARE_CONCRETE_INSTRUCTION(Deoptimize)
 
  private:
-  explicit HDeoptimize(const char* reason,
+  explicit HDeoptimize(Deoptimizer::DeoptReason reason,
                        Deoptimizer::BailoutType type,
                        HBasicBlock* unreachable_continuation)
       : reason_(reason), type_(type) {
     SetSuccessorAt(0, unreachable_continuation);
   }
 
-  const char* reason_;
+  Deoptimizer::DeoptReason reason_;
   Deoptimizer::BailoutType type_;
 };
 
 
 class HUnaryControlInstruction : public HTemplateControlInstruction<2, 1> {
  public:
   HUnaryControlInstruction(HValue* value,
                            HBasicBlock* true_target,
                            HBasicBlock* false_target) {
     SetOperandAt(0, value);
@@ skipping 6571 matching lines @@
 };
 
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_