Vector ICs: Get rid of stack arguments on ia32 transitioning stores.

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 86ae7b646b0fdee3549243495dd5cc43c74bbbe6..355ffe108bedc111e850dc3f2d56d321c6f3f090 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -1027,10 +1027,12 @@ class Isolate {
 
   void* stress_deopt_count_address() { return &stress_deopt_count_; }
 
-  void* vector_store_virtual_register_address() {
-    return &vector_store_virtual_register_;
+  void* virtual_handler_register_address() {
+    return &virtual_handler_register_;
   }
 
+  void* virtual_slot_register_address() { return &virtual_slot_register_; }
+
   base::RandomNumberGenerator* random_number_generator();
 
   // Given an address occupied by a live code object, return that object.
@@ -1306,7 +1308,8 @@ class Isolate {
   // Counts deopt points if deopt_every_n_times is enabled.
   unsigned int stress_deopt_count_;
 
-  Address vector_store_virtual_register_;
+  Address virtual_handler_register_;
+  Address virtual_slot_register_;
 
   int next_optimization_id_;