MIPS: Implement target cache for constructor calls.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index e886c4a79eff68ef16e917b2b6e27d8ed27a55d7..c05df82cdf8bbc1a0900a389083bb13af05b0d4f 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -3277,9 +3277,9 @@ void LCodeGen::DoCallNew(LCallNew* instr) {
   ASSERT(ToRegister(instr->InputAt(0)).is(a1));
   ASSERT(ToRegister(instr->result()).is(v0));
 
-  Handle<Code> builtin = isolate()->builtins()->JSConstructCall();
+  CallConstructStub stub(NO_CALL_FUNCTION_FLAGS);
   __ li(a0, Operand(instr->arity()));
-  CallCode(builtin, RelocInfo::CONSTRUCT_CALL, instr);
+  CallCode(stub.GetCode(), RelocInfo::CONSTRUCT_CALL, instr);
 }