remove most Isolate::Current asserts

src/isolate.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 2127 matching lines @@
   InitializeLoggingAndCounters();
   debug_ = new Debug(this);
   debugger_ = new Debugger(this);
   Release_Store(&debugger_initialized_, true);
 #endif
 }
 
 
 bool Isolate::Init(Deserializer* des) {
   ASSERT(state_ != INITIALIZED);
-  ASSERT(Isolate::Current() == this);
   TRACE_ISOLATE(init);
 
   stress_deopt_count_ = FLAG_deopt_every_n_times;
 
   has_fatal_error_ = false;
 
   use_crankshaft_ = FLAG_crankshaft
       && !Serializer::enabled()
       && CPU::SupportsCrankshaft();
 
   if (function_entry_hook() != NULL) {
     // When function entry hooking is in effect, we have to create the code
     // stubs from scratch to get entry hooks, rather than loading the previously
     // generated stubs from disk.
     // If this assert fires, the initialization path has regressed.
     ASSERT(des == NULL);
   }
 
   // The initialization process does not handle memory exhaustion.
   DisallowAllocationFailure disallow_allocation_failure;
 
   InitializeLoggingAndCounters();
 
   InitializeDebugger();
 
   memory_allocator_ = new MemoryAllocator(this);
   code_range_ = new CodeRange(this);
 
-  // Safe after setting Heap::isolate_, initializing StackGuard and
-  // ensuring that Isolate::Current() == this.
+  // Safe after setting Heap::isolate_, and initializing StackGuard
   heap_.SetStackLimits();
 
 #define ASSIGN_ELEMENT(CamelName, hacker_name)                  \
   isolate_addresses_[Isolate::k##CamelName##Address] =          \
       reinterpret_cast<Address>(hacker_name##_address());
   FOR_EACH_ISOLATE_ADDRESS_NAME(ASSIGN_ELEMENT)
 #undef ASSIGN_ELEMENT
 
   string_tracker_ = new StringTracker();
   string_tracker_->isolate_ = this;
@@ skipping 347 matching lines @@
 
 #ifdef DEBUG
 #define ISOLATE_FIELD_OFFSET(type, name, ignored)                       \
 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
 #undef ISOLATE_FIELD_OFFSET
 #endif
 
 } }  // namespace v8::internal