(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
cpp/
redef2.c
       1  /* Test for redefining macros with significant differences.  */
       2  
       3  /* { dg-do preprocess }
       4     { dg-options "-ansi -Wall" } */
       5  
       6  #define mac(a, b) (a) + (b)
       7  #define mac(a, b) (a) * (b)
       8  #define mac(a, b) (a) * (x)
       9  #define mac(a, g) (a) * (x)
      10  
      11  #define ro(x) foo x bar
      12  #define ro(x, b) foo x bar
      13  
      14  #define va(a...) a
      15  #define va(...) __VA_ARGS__
      16  
      17  #define foo(x) x
      18  #define foo(x)x		/* { dg-bogus "redefined" "redefined foo" } */
      19  
      20  /* { dg-warning "-:redefined" "redef mac"     { target *-*-* } 7  }
      21     { dg-warning "-:redefined" "redef mac"     { target *-*-* } 8  }
      22     { dg-warning "-:redefined" "redef mac"     { target *-*-* } 9  }
      23     { dg-warning "-:redefined" "redef ro"      { target *-*-* } 12 }
      24     { dg-warning "-:redefined" "redef va"      { target *-*-* } 15 }
      25  
      26     { dg-message "-:previous"  "prev def mac"  { target *-*-* } 6  }
      27     { dg-message "-:previous"  "prev def mac"  { target *-*-* } 7  }
      28     { dg-message "-:previous"  "prev def mac"  { target *-*-* } 8  }
      29     { dg-message "-:previous"  "prev def ro"   { target *-*-* } 11 }
      30     { dg-message "-:previous"  "prev def va"   { target *-*-* } 14 }
      31  */