text: /**
  ; RUN: cd / && %CLANG_EXEC -fembed-bitcode -g -O0 %s -o %s.exe
  ; RUN: cd %CURRENT_DIR
  ; RUN: (unset TERM; %MULL_EXEC -test-framework CustomTest -ide-reporter-show-killed %s.exe 2>&1; test $? = 0) | %FILECHECK_EXEC %s --strict-whitespace --match-full-lines
  ; CHECK:Killed mutants (2/2):
  ; CHECK:{{^.*}}sample.cpp:13:11: warning: Killed: Replaced >= with >{{$}}
  ; CHECK:{{^.*}}sample.cpp:13:11: warning: Killed: Replaced >= with <{{$}}
  ; CHECK:All mutations have been killed
  ; CHECK:Mutation score: 100%
  **/
  
  bool valid_age(int age) {
    if (age >= 21) {
      return true;
    }
    return false;
  }
  
  int main() {
    bool test1 = valid_age(25) == true;
    if (!test1) {
      /// test failed
      return 1;
    }
  
    bool test2 = valid_age(20) == false;
    if (!test2) {
      /// test failed
      return 1;
    }
  
    bool test3 = valid_age(21) == true;
    if (!test3) {
       /// test failed
       return 1;
    }
  
    /// success
    return 0;
  }
  