*** old/src/hotspot/share/oops/method.cpp	Fri May 31 08:53:30 2019
--- new/src/hotspot/share/oops/method.cpp	Fri May 31 08:53:30 2019

*** 829,838 ****
--- 829,839 ----
    *signature_handler = handler;
  }
  
  
  void Method::print_made_not_compilable(int comp_level, bool is_osr, bool report, const char* reason) {
+   assert(reason != NULL, "must provide a reason");
    if (PrintCompilation && report) {
      ttyLocker ttyl;
      tty->print("made not %scompilable on ", is_osr ? "OSR " : "");
      if (comp_level == CompLevel_all) {
        tty->print("all levels ");

*** 889,899 ****
--- 890,900 ----
      return is_not_c2_compilable();
    return false;
  }
  
  // call this when compiler finds that this method is not compilable
! void Method::set_not_compilable(int comp_level, bool report, const char* reason) {
! void Method::set_not_compilable(const char* reason, int comp_level, bool report) {
    if (is_always_compilable()) {
      // Don't mark a method which should be always compilable
      return;
    }
    print_made_not_compilable(comp_level, /*is_osr*/ false, report, reason);

*** 920,930 ****
--- 921,931 ----
    if (is_c2_compile(comp_level))
      return is_not_c2_osr_compilable();
    return false;
  }
  
! void Method::set_not_osr_compilable(int comp_level, bool report, const char* reason) {
! void Method::set_not_osr_compilable(const char* reason, int comp_level, bool report) {
    print_made_not_compilable(comp_level, /*is_osr*/ true, report, reason);
    if (comp_level == CompLevel_all) {
      set_not_c1_osr_compilable();
      set_not_c2_osr_compilable();
    } else {