PPC: Remove usages of Heap::NewSpaceStart and its external reference

src/crankshaft/ppc/lithium-ppc.h

 // Copyright 2014 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_CRANKSHAFT_PPC_LITHIUM_PPC_H_
 #define V8_CRANKSHAFT_PPC_LITHIUM_PPC_H_
 
 #include "src/crankshaft/hydrogen.h"
 #include "src/crankshaft/lithium.h"
 #include "src/crankshaft/lithium-allocator.h"
@@ skipping 2040 matching lines @@
   void PrintDataTo(StringStream* stream) override;
 
   Handle<Map> original_map() { return hydrogen()->original_map().handle(); }
   Handle<Map> transitioned_map() {
     return hydrogen()->transitioned_map().handle();
   }
   ElementsKind from_kind() { return hydrogen()->from_kind(); }
   ElementsKind to_kind() { return hydrogen()->to_kind(); }
 };
 
-
-class LTrapAllocationMemento final : public LTemplateInstruction<0, 1, 1> {
+class LTrapAllocationMemento final : public LTemplateInstruction<0, 1, 2> {
  public:
-  LTrapAllocationMemento(LOperand* object, LOperand* temp) {
+  LTrapAllocationMemento(LOperand* object, LOperand* temp1, LOperand* temp2) {
     inputs_[0] = object;
-    temps_[0] = temp;
+    temps_[0] = temp1;
+    temps_[1] = temp2;
   }
 
   LOperand* object() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
+  LOperand* temp1() { return temps_[0]; }
+  LOperand* temp2() { return temps_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(TrapAllocationMemento, "trap-allocation-memento")
 };
 
 
 class LMaybeGrowElements final : public LTemplateInstruction<1, 5, 0> {
  public:
   LMaybeGrowElements(LOperand* context, LOperand* object, LOperand* elements,
                      LOperand* key, LOperand* current_capacity) {
     inputs_[0] = context;
@@ skipping 462 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_PPC_LITHIUM_PPC_H_