Reland VectorICs: ia32 store ics need a virtual register.

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index 49b300eb22710782ab4575959ed203c0d6b4b973..c81cdc2b78a39c4dc0f7a5cb5effdc661529ab48 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -1407,6 +1407,12 @@ ExternalReference
 }
 
 
+ExternalReference ExternalReference::vector_store_virtual_register(
+    Isolate* isolate) {
+  return ExternalReference(isolate->vector_store_virtual_register_address());
+}
+
+
 double power_helper(double x, double y) {
   int y_int = static_cast<int>(y);
   if (y == y_int) {