A64: Synchronize with r16024.

src/x64/lithium-codegen-x64.h

Index: src/x64/lithium-codegen-x64.h
diff --git a/src/x64/lithium-codegen-x64.h b/src/x64/lithium-codegen-x64.h
index 5ad1c40a2b16abbd293cc1ee006e34eb04b516a5..071ba6683035462536f8304d0d5489653cce0cd6 100644
--- a/src/x64/lithium-codegen-x64.h
+++ b/src/x64/lithium-codegen-x64.h
@@ -106,6 +106,7 @@ class LCodeGen BASE_EMBEDDED {
   int32_t ToInteger32(LConstantOperand* op) const;
   Smi* ToSmi(LConstantOperand* op) const;
   double ToDouble(LConstantOperand* op) const;
+  ExternalReference ToExternalReference(LConstantOperand* op) const;
   bool IsTaggedConstant(LConstantOperand* op) const;
   Handle<Object> ToHandle(LConstantOperand* op) const;
   Operand ToOperand(LOperand* op) const;
@@ -178,7 +179,7 @@ class LCodeGen BASE_EMBEDDED {
 
   int GetStackSlotCount() const { return chunk()->spill_slot_count(); }
 
-  void Abort(const char* reason);
+  void Abort(BailoutReason reason);
   void FPRINTF_CHECKING Comment(const char* format, ...);
 
   void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); }
@@ -267,6 +268,7 @@ class LCodeGen BASE_EMBEDDED {
       uint32_t additional_index = 0);
 
   void EmitIntegerMathAbs(LMathAbs* instr);
+  void EmitInteger64MathAbs(LMathAbs* instr);
 
   // Support for recording safepoint and position information.
   void RecordSafepoint(LPointerMap* pointers,
@@ -344,6 +346,13 @@ class LCodeGen BASE_EMBEDDED {
   void DoStoreKeyedExternalArray(LStoreKeyed* instr);
   void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr);
   void DoStoreKeyedFixedArray(LStoreKeyed* instr);
+#ifdef _MSC_VER
+  // On windows, you may not access the stack more than one page below
+  // the most recently mapped page. To make the allocated area randomly
+  // accessible, we write an arbitrary value to each page in range
+  // rsp + offset - page_size .. rsp in turn.
+  void MakeSureStackPagesMapped(int offset);
+#endif
 
   Zone* zone_;
   LPlatformChunk* const chunk_;