Add the VFP-ness to the minor number of the keyed store elements

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
===================================================================
--- src/arm/code-stubs-arm.cc	(revision 12623)
+++ src/arm/code-stubs-arm.cc	(working copy)
@@ -7262,6 +7262,7 @@
 
 #undef REG
 
+
 bool RecordWriteStub::IsPregenerated() {
   for (const AheadOfTimeWriteBarrierStubList* entry = kAheadOfTime;
        !entry->object.is(no_reg);
@@ -7303,6 +7304,11 @@
 }
 
 
+bool CodeStub::CanUseFPRegisters() {
+  return CpuFeatures::IsSupported(VFP2);
+}
+
+
 // Takes the input in 3 registers: address_ value_ and object_.  A pointer to
 // the value has just been written into the object, now this stub makes sure
 // we keep the GC informed.  The word in the object where the value has been