Inline simple setter 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 4841aa7f588476c0aa93b33691b3b6c3d501976e..f8f97055e8e7bf6c3f3671b259d6bc1959aa3313 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -461,11 +461,12 @@ void LCodeGen::WriteTranslation(LEnvironment* environment,
     case JS_CONSTRUCT:
       translation->BeginConstructStubFrame(closure_id, translation_size);
       break;
+    case JS_SETTER:
+      // TODO(svenpanne) Implement me!
+      break;
     case ARGUMENTS_ADAPTOR:
       translation->BeginArgumentsAdaptorFrame(closure_id, translation_size);
       break;
-    default:
-      UNREACHABLE();
   }
   for (int i = 0; i < translation_size; ++i) {
     LOperand* value = environment->values()->at(i);