Require an isolate parameter for most external reference creation to

src/ia32/macro-assembler-ia32.h

 // Copyright 2010 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 677 matching lines @@
                                 Register scratch,
                                 Condition cc,
                                 LabelType* branch) {
   ASSERT(cc == equal || cc == not_equal);
   if (Serializer::enabled()) {
     // Can't do arithmetic on external references if it might get serialized.
     mov(scratch, Operand(object));
     // The mask isn't really an address.  We load it as an external reference in
     // case the size of the new space is different between the snapshot maker
     // and the running system.
-    and_(Operand(scratch), Immediate(ExternalReference::new_space_mask()));
-    cmp(Operand(scratch), Immediate(ExternalReference::new_space_start()));
+    and_(Operand(scratch),
+         Immediate(ExternalReference::new_space_mask(isolate())));
+    cmp(Operand(scratch),
+        Immediate(ExternalReference::new_space_start(isolate())));
     j(cc, branch);
   } else {
     int32_t new_space_start = reinterpret_cast<int32_t>(
-        ExternalReference::new_space_start().address());
+        ExternalReference::new_space_start(isolate()).address());
     lea(scratch, Operand(object, -new_space_start));
-    and_(scratch, HEAP->NewSpaceMask());
+    and_(scratch, isolate()->heap()->NewSpaceMask());
     j(cc, branch);
   }
 }
 
 
 // The code patcher is used to patch (typically) small parts of code e.g. for
 // debugging and other types of instrumentation. When using the code patcher
 // the exact number of bytes specified must be emitted. Is not legal to emit
 // relocation information. If any of these constraints are violated it causes
 // an assertion.
@@ skipping 73 matching lines @@
   }                                                                       \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_MACRO_ASSEMBLER_IA32_H_