Generate the TransitionElementsStub using Crankshaft

src/arm/lithium-arm.h

Index: src/arm/lithium-arm.h
diff --git a/src/arm/lithium-arm.h b/src/arm/lithium-arm.h
index 9cc9a6619a31871665c7c3817e04a69b9d72703d..b29d65193be888f11711d91f384fedfd00340fd3 100644
--- a/src/arm/lithium-arm.h
+++ b/src/arm/lithium-arm.h
@@ -50,6 +50,7 @@ class LCodeGen;
   V(AccessArgumentsAt)                          \
   V(AddI)                                       \
   V(AllocateObject)                             \
+  V(Allocate)                                   \
   V(ApplyArguments)                             \
   V(ArgumentsElements)                          \
   V(ArgumentsLength)                            \
@@ -175,6 +176,7 @@ class LCodeGen;
   V(Throw)                                      \
   V(ToFastProperties)                           \
   V(TransitionElementsKind)                     \
+  V(TrapAllocationMemento)                      \
   V(Typeof)                                     \
   V(TypeofIsAndBranch)                          \
   V(UnaryMathOperation)                         \
@@ -1619,6 +1621,7 @@ class LThisFunction: public LTemplateInstruction<1, 0, 0> {
 class LContext: public LTemplateInstruction<1, 0, 0> {
  public:
   DECLARE_CONCRETE_INSTRUCTION(Context, "context")
+  DECLARE_HYDROGEN_ACCESSOR(Context)
 };
 
 
@@ -1852,6 +1855,7 @@ class LNumberTagD: public LTemplateInstruction<1, 1, 2> {
   LOperand* temp2() { return temps_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
+  DECLARE_HYDROGEN_ACCESSOR(Change)
 };
 
 
@@ -2032,19 +2036,16 @@ class LStoreKeyedGeneric: public LTemplateInstruction<0, 3, 0> {
 };
 
 
-class LTransitionElementsKind: public LTemplateInstruction<1, 1, 2> {
+class LTransitionElementsKind: public LTemplateInstruction<1, 1, 1> {
  public:
   LTransitionElementsKind(LOperand* object,
-                          LOperand* new_map_temp,
-                          LOperand* temp) {
+                          LOperand* new_map_temp) {
     inputs_[0] = object;
     temps_[0] = new_map_temp;
-    temps_[1] = temp;
   }
 
   LOperand* object() { return inputs_[0]; }
   LOperand* new_map_temp() { return temps_[0]; }
-  LOperand* temp() { return temps_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind,
                                "transition-elements-kind")
@@ -2059,6 +2060,22 @@ class LTransitionElementsKind: public LTemplateInstruction<1, 1, 2> {
 };
 
 
+class LTrapAllocationMemento : public LTemplateInstruction<0, 1, 1> {
+ public:
+  LTrapAllocationMemento(LOperand* object,
+                         LOperand* temp) {
+    inputs_[0] = object;
+    temps_[0] = temp;
+  }
+
+  LOperand* object() { return inputs_[0]; }
+  LOperand* temp() { return temps_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(TrapAllocationMemento,
+                               "trap-allocation-memento")
+};
+
+
 class LStringAdd: public LTemplateInstruction<1, 2, 0> {
  public:
   LStringAdd(LOperand* left, LOperand* right) {
@@ -2239,7 +2256,7 @@ class LClampTToUint8: public LTemplateInstruction<1, 1, 1> {
 };
 
 
-class LAllocateObject: public LTemplateInstruction<1, 0, 2> {
+class LAllocateObject: public LTemplateInstruction<1, 1, 2> {
  public:
   LAllocateObject(LOperand* temp, LOperand* temp2) {
     temps_[0] = temp;
@@ -2254,6 +2271,23 @@ class LAllocateObject: public LTemplateInstruction<1, 0, 2> {
 };
 
 
+class LAllocate: public LTemplateInstruction<1, 2, 2> {
+ public:
+  LAllocate(LOperand* size, LOperand* temp1, LOperand* temp2) {
+    inputs_[1] = size;
+    temps_[0] = temp1;
+    temps_[1] = temp2;
+  }
+
+  LOperand* size() { return inputs_[1]; }
+  LOperand* temp1() { return temps_[0]; }
+  LOperand* temp2() { return temps_[1]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate")
+  DECLARE_HYDROGEN_ACCESSOR(Allocate)
+};
+
+
 class LFastLiteral: public LTemplateInstruction<1, 0, 0> {
  public:
   DECLARE_CONCRETE_INSTRUCTION(FastLiteral, "fast-literal")