*** old/src/share/vm/compiler/compilerDirectives.hpp	Tue Mar  1 14:59:45 2016
--- new/src/share/vm/compiler/compilerDirectives.hpp	Tue Mar  1 14:59:45 2016

*** 40,49 ****
--- 40,50 ----
      cflags(BreakAtCompile,          bool, false, X) \
      cflags(Log,                     bool, LogCompilation, X) \
      cflags(PrintAssembly,           bool, PrintAssembly, PrintAssembly) \
      cflags(PrintInlining,           bool, PrintInlining, PrintInlining) \
      cflags(PrintNMethods,           bool, PrintNMethods, PrintNMethods) \
+     cflags(BackgroundCompilation,   bool, BackgroundCompilation, X) \
      cflags(ReplayInline,            bool, false, ReplayInline) \
      cflags(DumpReplay,              bool, false, DumpReplay) \
      cflags(DumpInline,              bool, false, DumpInline) \
      cflags(CompilerDirectivesIgnoreCompileCommands, bool, CompilerDirectivesIgnoreCompileCommands, X) \
      cflags(DisableIntrinsic,        ccstrlist, DisableIntrinsic, DisableIntrinsic)