*** old/src/hotspot/share/compiler/abstractCompiler.hpp	Thu Mar 28 11:22:25 2019
--- new/src/hotspot/share/compiler/abstractCompiler.hpp	Thu Mar 28 11:22:25 2019

*** 152,164 ****
--- 152,161 ----
    const bool is_c1()                             { return _type == compiler_c1; }
    const bool is_c2()                             { return _type == compiler_c2; }
    const bool is_jvmci()                          { return _type == compiler_jvmci; }
    const CompilerType type()                      { return _type; }
  
    // Extra tests to identify trivial methods for the tiered compilation policy.
    virtual bool is_trivial(Method* method) { return false; }
  
    // Customization
    virtual void initialize () = 0;
  
    void set_num_compiler_threads(int num) { _num_compiler_threads = num;  }
    int num_compiler_threads()             { return _num_compiler_threads; }