Removed dead variable to make GCC 4.6 happy again.

src/compiler.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 708 matching lines @@
 static void InstallCodeCommon(CompilationInfo* info) {
   Handle<SharedFunctionInfo> shared = info->shared_info();
   Handle<Code> code = info->code();
   ASSERT(!code.is_null());
 
   // Set optimizable to false if this is disallowed by the shared
   // function info, e.g., we might have flushed the code and must
   // reset this bit when lazy compiling the code again.
   if (shared->optimization_disabled()) code->set_optimizable(false);
 
-  Handle<JSFunction> function = info->closure();
   Compiler::RecordFunctionCompilation(Logger::LAZY_COMPILE_TAG, info, shared);
 }
 
 
 static void InsertCodeIntoOptimizedCodeMap(CompilationInfo* info) {
   Handle<Code> code = info->code();
   Handle<JSFunction> function = info->closure();
   if (FLAG_cache_optimized_code && code->kind() == Code::OPTIMIZED_FUNCTION) {
     Handle<SharedFunctionInfo> shared(function->shared());
     Handle<FixedArray> literals(function->literals());
@@ skipping 288 matching lines @@
     }
   }
 
   GDBJIT(AddCode(Handle<String>(shared->DebugName()),
                  Handle<Script>(info->script()),
                  Handle<Code>(info->code()),
                  info));
 }
 
 } }  // namespace v8::internal