One Zone per CompilationInfo.

src/full-codegen.cc

 // Copyright 2012 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 285 matching lines @@
   if (FLAG_trace_codegen) {
     PrintF("Full Compiler - ");
   }
   CodeGenerator::MakeCodePrologue(info);
   const int kInitialBufferSize = 4 * KB;
   MacroAssembler masm(info->isolate(), NULL, kInitialBufferSize);
 #ifdef ENABLE_GDB_JIT_INTERFACE
   masm.positions_recorder()->StartGDBJITLineInfoRecording();
 #endif
 
-  FullCodeGenerator cgen(&masm, info, isolate->zone());
+  FullCodeGenerator cgen(&masm, info, info->zone());
   cgen.Generate();
   if (cgen.HasStackOverflow()) {
     ASSERT(!isolate->has_pending_exception());
     return false;
   }
   unsigned table_offset = cgen.EmitStackCheckTable();
 
   Code::Flags flags = Code::ComputeFlags(Code::FUNCTION);
   Handle<Code> code = CodeGenerator::MakeCodeEpilogue(&masm, flags, info);
   code->set_optimizable(info->IsOptimizable() &&
@@ skipping 1106 matching lines @@
   }
 
   return false;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal