X87: [FeedbackVector] Infrastructure for literal arrays in the vector.

src/x87/interface-descriptors-x87.cc

Index: src/x87/interface-descriptors-x87.cc
diff --git a/src/x87/interface-descriptors-x87.cc b/src/x87/interface-descriptors-x87.cc
index 26cfd0ec7a094df2db500833ca9a0bbda1374e49..6375748f71d5ce39812beb1d4685483952438fa5 100644
--- a/src/x87/interface-descriptors-x87.cc
+++ b/src/x87/interface-descriptors-x87.cc
@@ -64,7 +64,8 @@ const Register GrowArrayElementsDescriptor::KeyRegister() { return ebx; }
 
 void FastNewClosureDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
-  Register registers[] = {ebx};
+  // SharedFunctionInfo, vector, slot index.
+  Register registers[] = {ebx, ecx, edx};
   data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
 }