Streamline the code for patching optimized code for lazy deopt.

src/x64/deoptimizer-x64.cc

 // 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 70 matching lines @@
       last_pc_offset += gap_code_size;
       CodePatcher patcher(code->instruction_start() + last_pc_offset,
                           patch_size());
       patcher.masm()->Call(GetDeoptimizationEntry(deoptimization_index, LAZY),
                            RelocInfo::NONE);
       last_pc_offset += patch_size();
     }
   }
 #ifdef DEBUG
   // Destroy the code which is not supposed to run again.
-  CHECK(code->safepoint_table_start() >= last_pc_offset);
-  unsigned instructions = code->safepoint_table_start() - last_pc_offset;
+  CHECK(code->safepoint_table_offset() >= last_pc_offset);
+  unsigned instructions = code->safepoint_table_offset() - last_pc_offset;
   CodePatcher destroyer(code->instruction_start() + last_pc_offset,
                         instructions);
   for (unsigned i = 0; i < instructions; i++) {
     destroyer.masm()->int3();
   }
 #endif
 
   // Add the deoptimizing code to the list.
   DeoptimizingCodeListNode* node = new DeoptimizingCodeListNode(code);
   node->set_next(deoptimizing_code_list_);
@@ skipping 403 matching lines @@
   }
   __ bind(&done);
 }
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64