Turn interrupt and stack check into builtins.

src/ia32/deoptimizer-ia32.cc

Index: src/ia32/deoptimizer-ia32.cc
diff --git a/src/ia32/deoptimizer-ia32.cc b/src/ia32/deoptimizer-ia32.cc
index f84b81398a93bba7416d8b12d59030ea26787a90..a4f7ee8f720ab6fe55938d32de3aa9bd50ffcdfb 100644
--- a/src/ia32/deoptimizer-ia32.cc
+++ b/src/ia32/deoptimizer-ia32.cc
@@ -246,10 +246,9 @@ Deoptimizer::InterruptPatchState Deoptimizer::GetInterruptPatchState(
     return PATCHED_FOR_OSR;
   } else {
     // Get the interrupt stub code object to match against from cache.
-    Code* interrupt_code = NULL;
-    InterruptStub stub;
-    if (!stub.FindCodeInCache(&interrupt_code, isolate)) UNREACHABLE();
-    ASSERT_EQ(interrupt_code->entry(),
+    Code* interrupt_builtin =
+        isolate->builtins()->builtin(Builtins::kInterruptCheck);
+    ASSERT_EQ(interrupt_builtin->entry(),
               Assembler::target_address_at(call_target_address));
     ASSERT_EQ(kJnsInstruction,  *(call_target_address - 3));
     ASSERT_EQ(kJnsOffset,       *(call_target_address - 2));