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

src/full-codegen/arm64/full-codegen-arm64.cc

Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index 32440bbcda38904cd3f918ec4f4835338f9ec470..b357bef3a18df468b88a281cb2494c5aa1bec4c4 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -2737,8 +2737,8 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
   __ EmitLoadTypeFeedbackVector(x2);
   __ Mov(x3, 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.
   __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));