A64: Synchronize with r17104.

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index f5b56188735883d967ec4c20f49a93f4d4c3e304..b4f4d5de97d210ff7adef81fdd962868d9ff531c 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -2052,8 +2052,13 @@ class LCallRuntime V8_FINAL : public LTemplateInstruction<1, 1, 0> {
   DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime")
   DECLARE_HYDROGEN_ACCESSOR(CallRuntime)
 
+  virtual bool ClobbersDoubleRegisters() const V8_OVERRIDE {
+    return save_doubles() == kDontSaveFPRegs;
+  }
+
   const Runtime::Function* function() const { return hydrogen()->function(); }
   int arity() const { return hydrogen()->argument_count(); }
+  SaveFPRegsMode save_doubles() const { return hydrogen()->save_doubles(); }
 };
 
 
@@ -2736,8 +2741,8 @@ class LPlatformChunk V8_FINAL : public LChunk {
       : LChunk(info, graph),
         num_double_slots_(0) { }
 
-  int GetNextSpillIndex(bool is_double);
-  LOperand* GetNextSpillSlot(bool is_double);
+  int GetNextSpillIndex(RegisterKind kind);
+  LOperand* GetNextSpillSlot(RegisterKind kind);
 
   int num_double_slots() const { return num_double_slots_; }
 
@@ -2766,6 +2771,8 @@ class LChunkBuilder V8_FINAL BASE_EMBEDDED {
   // Build the sequence for the graph.
   LPlatformChunk* Build();
 
+  LInstruction* CheckElideControlInstruction(HControlInstruction* instr);
+
   // Declare methods that deal with the individual node types.
 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node);
   HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)