Merge revision 6500-6600 from bleeding_edge to the isolates branch.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
===================================================================
--- src/hydrogen-instructions.h	(revision 7030)
+++ src/hydrogen-instructions.h	(working copy)
@@ -64,6 +64,7 @@
 
 
 #define HYDROGEN_CONCRETE_INSTRUCTION_LIST(V)  \
+  V(AbnormalExit)                              \
   V(AccessArgumentsAt)                         \
   V(Add)                                       \
   V(ApplyArguments)                            \
@@ -834,12 +835,11 @@
 };
 
 
-class HThrow: public HUnaryControlInstruction {
+class HAbnormalExit: public HControlInstruction {
  public:
-  explicit HThrow(HValue* value)
-      : HUnaryControlInstruction(value, NULL, NULL) { }
+  HAbnormalExit() : HControlInstruction(NULL, NULL) { }
 
-  DECLARE_CONCRETE_INSTRUCTION(Throw, "throw")
+  DECLARE_CONCRETE_INSTRUCTION(AbnormalExit, "abnormal_exit")
 };
 
 
@@ -866,6 +866,20 @@
 };
 
 
+class HThrow: public HUnaryOperation {
+ public:
+  explicit HThrow(HValue* value) : HUnaryOperation(value) {
+    SetAllSideEffects();
+  }
+
+  virtual Representation RequiredInputRepresentation(int index) const {
+    return Representation::Tagged();
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(Throw, "throw")
+};
+
+
 class HChange: public HUnaryOperation {
  public:
   HChange(HValue* value,
@@ -989,7 +1003,7 @@
  public:
   HStackCheck() { }
 
-  DECLARE_CONCRETE_INSTRUCTION(Throw, "stack_check")
+  DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack_check")
 };
 
 
@@ -1832,6 +1846,7 @@
     SetOperandAt(1, receiver);
     SetOperandAt(2, length);
     SetOperandAt(3, elements);
+    SetAllSideEffects();
   }
 
   virtual Representation RequiredInputRepresentation(int index) const {
@@ -1851,8 +1866,6 @@
 
   DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply_arguments")
 
-
-
  protected:
   virtual void InternalSetOperandAt(int index, HValue* value) {
     operands_[index] = value;
@@ -2576,12 +2589,17 @@
 
 class HStoreGlobal: public HUnaryOperation {
  public:
-  HStoreGlobal(HValue* value, Handle<JSGlobalPropertyCell> cell)
-      : HUnaryOperation(value), cell_(cell) {
+  HStoreGlobal(HValue* value,
+               Handle<JSGlobalPropertyCell> cell,
+               bool check_hole_value)
+      : HUnaryOperation(value),
+        cell_(cell),
+        check_hole_value_(check_hole_value) {
     SetFlag(kChangesGlobalVars);
   }
 
   Handle<JSGlobalPropertyCell> cell() const { return cell_; }
+  bool check_hole_value() const { return check_hole_value_; }
 
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::Tagged();
@@ -2592,6 +2610,7 @@
 
  private:
   Handle<JSGlobalPropertyCell> cell_;
+  bool check_hole_value_;
 };
 
 
@@ -3068,6 +3087,10 @@
     set_representation(Representation::Tagged());
   }
 
+  virtual Representation RequiredInputRepresentation(int index) const {
+    return Representation::Tagged();
+  }
+
   DECLARE_CONCRETE_INSTRUCTION(Typeof, "typeof")
 };