Made Isolate a mandatory parameter for everything Handle-related.

src/ia32/assembler-ia32.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 2469 matching lines @@
   EMIT(0xC0 | dst.code() << 3 | src.code());
 }
 
 
 void Assembler::emit_sse_operand(Register dst, XMMRegister src) {
   EMIT(0xC0 | dst.code() << 3 | src.code());
 }
 
 
 void Assembler::Print() {
-  Disassembler::Decode(stdout, buffer_, pc_);
+  Disassembler::Decode(isolate(), stdout, buffer_, pc_);
 }
 
 
 void Assembler::RecordJSReturn() {
   positions_recorder()->WriteRecordedPositions();
   EnsureSpace ensure_space(this);
   RecordRelocInfo(RelocInfo::JS_RETURN);
 }
 
 
@@ skipping 186 matching lines @@
     fprintf(coverage_log, "%s\n", file_line);
     fflush(coverage_log);
   }
 }
 
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32