Make serializer non-static.

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 106 matching lines @@
 
 // -----------------------------------------------------------------------------
 // Implementation of AssemblerBase
 
 AssemblerBase::AssemblerBase(Isolate* isolate, void* buffer, int buffer_size)
     : isolate_(isolate),
       jit_cookie_(0),
       enabled_cpu_features_(0),
       emit_debug_code_(FLAG_debug_code),
       predictable_code_size_(false),
-      serializer_enabled_(Serializer::enabled(isolate)) {
+      // We may use the assembler without an isolate.
+      serializer_enabled_(isolate && isolate->serializer_enabled()) {
   if (FLAG_mask_constants_with_cookie && isolate != NULL)  {
     jit_cookie_ = isolate->random_number_generator()->NextInt();
   }
   if (buffer == NULL) {
     // Do our own buffer management.
     if (buffer_size <= kMinimalBufferSize) {
       buffer_size = kMinimalBufferSize;
       if (isolate->assembler_spare_buffer() != NULL) {
         buffer = isolate->assembler_spare_buffer();
         isolate->set_assembler_spare_buffer(NULL);
@@ skipping 1497 matching lines @@
       r2 = r2 - ad;
     }
     delta = ad - r2;
   } while (q1 < delta || (q1 == delta && r1 == 0));
   int32_t mul = static_cast<int32_t>(q2 + 1);
   multiplier_ = (d < 0) ? -mul : mul;
   shift_ = p - 32;
 }
 
 } }  // namespace v8::internal