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

src/full-codegen/mips64/full-codegen-mips64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS64
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 3004 matching lines @@
   SetConstructCallPosition(expr, arg_count);
 
   // Load function and argument count into a1 and a0.
   __ li(a0, Operand(arg_count));
   __ ld(a1, MemOperand(sp, arg_count * kPointerSize));
 
   // Record call targets in unoptimized code.
   __ EmitLoadTypeFeedbackVector(a2);
   __ li(a3, Operand(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.
   __ ld(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
   context()->Plug(v0);
 }
 
 
 void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
   SuperCallReference* super_call_ref =
       expr->expression()->AsSuperCallReference();
@@ skipping 1940 matching lines @@
          reinterpret_cast<uint64_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64