X87: Provide call counts for constructor calls, surface them as a vector IC.

src/full-codegen/x87/full-codegen-x87.cc

Index: src/full-codegen/x87/full-codegen-x87.cc
diff --git a/src/full-codegen/x87/full-codegen-x87.cc b/src/full-codegen/x87/full-codegen-x87.cc
index 90717c1276132fb0c00e48255b9e886e3a354b9a..b97d56aa69b43cc691c794cd8fb99bf07dba9c18 100644
--- a/src/full-codegen/x87/full-codegen-x87.cc
+++ b/src/full-codegen/x87/full-codegen-x87.cc
@@ -2901,8 +2901,8 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
   __ EmitLoadTypeFeedbackVector(ebx);
   __ mov(edx, Immediate(SmiFromSlot(expr->CallNewFeedbackSlot())));
 
-  CallConstructStub stub(isolate());
-  __ call(stub.GetCode(), RelocInfo::CODE_TARGET);
+  Handle<Code> code = CodeFactory::ConstructIC(isolate()).code();
+  __ call(code, RelocInfo::CODE_TARGET);
   PrepareForBailoutForId(expr->ReturnId(), TOS_REG);
   // Restore context register.
   __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));