Turn interrupt and stack check into builtins.

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index 710901e9c5aecf7dbe225c422dccd080746af318..8b0fdb240cac4aa6de0cb238a793a1ad39b28d7f 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -2380,16 +2380,6 @@ Runtime::FunctionId TranscendentalCacheStub::RuntimeFunction() {
 }
 
 
-void StackCheckStub::Generate(MacroAssembler* masm) {
-  __ TailCallRuntime(Runtime::kStackGuard, 0, 1);
-}
-
-
-void InterruptStub::Generate(MacroAssembler* masm) {
-  __ TailCallRuntime(Runtime::kInterrupt, 0, 1);
-}
-
-
 void MathPowStub::Generate(MacroAssembler* masm) {
   const Register base = a1;
   const Register exponent = a2;