Remove ASSERT related to major-key, it's not given that they match.

src/stub-cache.cc

 // 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 180 matching lines @@
 
   // Compile the stub that is either shared for all names or
   // name specific if there are global objects involved.
   Handle<Code> handler = FindHandler(
       cache_name, stub_holder, Code::LOAD_IC, flag, Code::FAST);
   if (!handler.is_null()) {
 #ifdef DEBUG
     LoadStubCompiler compiler(isolate_, kNoExtraICState, flag);
     Handle<Code> compiled = compiler.CompileLoadNonexistent(
         type, last, cache_name);
-    ASSERT(compiled->major_key() == handler->major_key());
     ASSERT(compiled->flags() == handler->flags());
 #endif
     return handler;
   }
 
   LoadStubCompiler compiler(isolate_, kNoExtraICState, flag);
   handler = compiler.CompileLoadNonexistent(type, last, cache_name);
   Map::UpdateCodeCache(stub_holder, cache_name, handler);
   return handler;
 }
@@ skipping 1257 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal