Make assertion scopes thread safe.

src/safepoint-table.h

 // Copyright 2011 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 133 matching lines @@
     return pc_and_deoptimization_indexes_ +
            (index * kPcAndDeoptimizationIndexSize);
   }
 
   Address GetInfoLocation(unsigned index) const {
     return GetPcOffsetLocation(index) + kPcSize;
   }
 
   static void PrintBits(uint8_t byte, int digits);
 
-  AssertNoAllocation no_allocation_;
+  DisallowHeapAllocation no_allocation_;
   Code* code_;
   unsigned length_;
   unsigned entry_size_;
 
   Address pc_and_deoptimization_indexes_;
   Address entries_;
 
   friend class SafepointTableBuilder;
   friend class SafepointEntry;
 
@@ skipping 79 matching lines @@
   int last_lazy_safepoint_;
 
   Zone* zone_;
 
   DISALLOW_COPY_AND_ASSIGN(SafepointTableBuilder);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_SAFEPOINT_TABLE_H_