Implement KnownSuccessor method to some control instructions.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2065 matching lines @@
   JSValue* js_value = JSValue::cast(this);
   if (!js_value->value()->IsString()) return false;
 
   String* str = String::cast(js_value->value());
   if (index >= static_cast<uint32_t>(str->length())) return false;
 
   return true;
 }
 
 
-
 void Object::VerifyApiCallResultType() {
 #if ENABLE_EXTRA_CHECKS
   if (!(IsSmi() ||
         IsString() ||
         IsSpecObject() ||
         IsHeapNumber() ||
         IsUndefined() ||
         IsTrue() ||
         IsFalse() ||
         IsNull())) {
@@ skipping 4663 matching lines @@
 #undef READ_UINT32_FIELD
 #undef WRITE_UINT32_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_