[runtime] Remove RUNTIME_ASSERT_HANDLIFIED.

src/runtime/runtime-debug.cc

 // Copyright 2014 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.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/debug/debug-evaluate.h"
 #include "src/debug/debug-frames.h"
 #include "src/debug/debug-scopes.h"
@@ skipping 127 matching lines @@
   LookupIterator it(object, name);
   return DebugGetProperty(&it);
 }
 
 
 template <class IteratorType>
 static MaybeHandle<JSArray> GetIteratorInternalProperties(
     Isolate* isolate, Handle<IteratorType> object) {
   Factory* factory = isolate->factory();
   Handle<IteratorType> iterator = Handle<IteratorType>::cast(object);
-  RUNTIME_ASSERT_HANDLIFIED(iterator->kind()->IsSmi(), JSArray);
+  CHECK(iterator->kind()->IsSmi());
   const char* kind = NULL;
   switch (Smi::cast(iterator->kind())->value()) {
     case IteratorType::kKindKeys:
       kind = "keys";
       break;
     case IteratorType::kKindValues:
       kind = "values";
       break;
     case IteratorType::kKindEntries:
       kind = "entries";
       break;
     default:
-      RUNTIME_ASSERT_HANDLIFIED(false, JSArray);
+      UNREACHABLE();
   }
 
   Handle<FixedArray> result = factory->NewFixedArray(2 * 3);
   Handle<String> has_more =
       factory->NewStringFromAsciiChecked("[[IteratorHasMore]]");
   result->set(0, *has_more);
   result->set(1, isolate->heap()->ToBoolean(iterator->HasMore()));
 
   Handle<String> index =
       factory->NewStringFromAsciiChecked("[[IteratorIndex]]");
@@ skipping 69 matching lines @@
     Handle<String> receiver =
         factory->NewStringFromAsciiChecked("[[GeneratorReceiver]]");
     result->set(4, *receiver);
     result->set(5, generator->receiver());
     return factory->NewJSArrayWithElements(result);
   } else if (Object::IsPromise(object)) {
     Handle<JSObject> promise = Handle<JSObject>::cast(object);
 
     Handle<Object> status_obj =
         DebugGetProperty(promise, isolate->factory()->promise_state_symbol());
-    RUNTIME_ASSERT_HANDLIFIED(status_obj->IsSmi(), JSArray);
+    CHECK(status_obj->IsSmi());
     const char* status = "rejected";
     int status_val = Handle<Smi>::cast(status_obj)->value();
     switch (status_val) {
       case +1:
         status = "resolved";
         break;
       case 0:
         status = "pending";
         break;
       default:
@@ skipping 1471 matching lines @@
   return Smi::FromInt(isolate->debug()->is_active());
 }
 
 
 RUNTIME_FUNCTION(Runtime_DebugBreakInOptimizedCode) {
   UNIMPLEMENTED();
   return NULL;
 }
 }  // namespace internal
 }  // namespace v8