MIPS: Fix for 3303 MultithreadedParallelIsolates has a race condition.

src/mips/assembler-mips-inl.h

 
 // 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 237 matching lines @@
   Memory::Address_at(pc_) = address;
   if (mode == UPDATE_WRITE_BARRIER && host() != NULL) {
     // TODO(1550) We are passing NULL as a slot because cell can never be on
     // evacuation candidate.
     host()->GetHeap()->incremental_marking()->RecordWrite(
         host(), NULL, cell);
   }
 }
 
 
-static const int kNoCodeAgeSequenceLength = 7;
+static const int kNoCodeAgeSequenceLength = 7 * Assembler::kInstrSize;
 
 
 Handle<Object> RelocInfo::code_age_stub_handle(Assembler* origin) {
   UNREACHABLE();  // This should never be reached on Arm.
   return Handle<Object>();
 }
 
 
 Code* RelocInfo::code_age_stub() {
   ASSERT(rmode_ == RelocInfo::CODE_AGE_SEQUENCE);
@@ skipping 153 matching lines @@
   }
   *reinterpret_cast<Instr*>(pc_) = x;
   pc_ += kInstrSize;
   CheckTrampolinePoolQuick();
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_ASSEMBLER_MIPS_INL_H_