VM: New calling convention for generated code.

runtime/vm/deopt_instructions.h

Index: runtime/vm/deopt_instructions.h
diff --git a/runtime/vm/deopt_instructions.h b/runtime/vm/deopt_instructions.h
index 188e95cfaa933c1de6b74e3817e627e2407ec07c..cf357d03cea2228509dd16395fc417569a92cdbb 100644
--- a/runtime/vm/deopt_instructions.h
+++ b/runtime/vm/deopt_instructions.h
@@ -34,7 +34,8 @@ class DeoptContext {
                const Code& code,
                DestFrameOptions dest_options,
                fpu_register_t* fpu_registers,
-               intptr_t* cpu_registers);
+               intptr_t* cpu_registers,
+               bool is_lazy_deopt);
   virtual ~DeoptContext();
 
   // Returns the offset of the dest fp from the dest sp.  Used in
@@ -94,6 +95,8 @@ class DeoptContext {
 
   RawCode* code() const { return code_; }
 
+  bool is_lazy_deopt() const { return is_lazy_deopt_; }
+
   ICData::DeoptReasonId deopt_reason() const { return deopt_reason_; }
   bool HasDeoptFlag(ICData::DeoptFlags flag) {
     return (deopt_flags_ & flag) != 0;
@@ -228,6 +231,8 @@ class DeoptContext {
   intptr_t deferred_objects_count_;
   DeferredObject** deferred_objects_;
 
+  const bool is_lazy_deopt_;
+
   DISALLOW_COPY_AND_ASSIGN(DeoptContext);
 };