Refactor ExternalReference::isolate_address() to not rely on Isolate::Current().

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 951 matching lines @@
 ExternalReference::ExternalReference(Runtime::FunctionId id,
                                      Isolate* isolate)
   : address_(Redirect(isolate, Runtime::FunctionForId(id)->entry)) {}
 
 
 ExternalReference::ExternalReference(const Runtime::Function* f,
                                      Isolate* isolate)
   : address_(Redirect(isolate, f->entry)) {}
 
 
-ExternalReference ExternalReference::isolate_address() {
-  return ExternalReference(Isolate::Current());
+ExternalReference ExternalReference::isolate_address(Isolate* isolate) {
+  return ExternalReference(isolate);
 }
 
 
 ExternalReference::ExternalReference(const IC_Utility& ic_utility,
                                      Isolate* isolate)
   : address_(Redirect(isolate, ic_utility.address())) {}
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
 ExternalReference::ExternalReference(const Debug_Address& debug_address,
                                      Isolate* isolate)
@@ skipping 671 matching lines @@
     assembler_->RecordRelocInfo(RelocInfo::POSITION, state_.current_position);
     state_.written_position = state_.current_position;
     written = true;
   }
 
   // Return whether something was written.
   return written;
 }
 
 } }  // namespace v8::internal