*** old/src/share/vm/compiler/compileBroker.cpp	Mon Nov 24 10:08:10 2014
--- new/src/share/vm/compiler/compileBroker.cpp	Mon Nov 24 10:08:10 2014

*** 1805,1815 ****
--- 1805,1815 ----
          jio_snprintf(file_name, sizeof(file_name),
                       "%s%shs_c" UINTX_FORMAT "_pid%u.log", dir,
                       os::file_separator(), thread_id, os::current_process_id());
        }
  
!       fp = fopen(file_name, "at");
!       fp = fopen(file_name, "wt");
        if (fp != NULL) {
          if (LogCompilation && Verbose) {
            tty->print_cr("Opening compilation log %s", file_name);
          }
          CompileLog* log = new(ResourceObj::C_HEAP, mtCompiler) CompileLog(file_name, fp, thread_id);