old-autovect-branch/gcc/testsuite/gcc.dg/cpp/trad/redef2.c

   1 /* Test for redefining traditional macros with significant differences.  */
   2
   3 /* { dg-do preprocess } */
   4
   5 #define foo bar    /* { dg-warning "previous def" "foo prev def" } */
   6 #define foo barr   /* { dg-warning "redefined" "foo redefined" } */
   7
   8 #undef foo
   9 #define foo bar    /* { dg-warning "previous def" "foo prev def 2" } */
  10 #define foo() bar    /* { dg-warning "redefined" "foo redefined 2" } */
  11
  12 #undef foo
  13 #define foo() bar    /* { dg-warning "previous def" "foo prev def" } */
  14 #define foo() barr   /* { dg-warning "redefined" "foo redefined" } */
  15
  16 #define quux(thud) a thud b /* { dg-warning "previous def" "quux prev def" } */
  17 #define quux(thu) a thud b   /* { dg-warning "redefined" "quux redefined" } */
  18
  19 #define bar(x, y) x+y /* { dg-warning "previous def" "bar prev def" } */
  20 #define bar(x, y) x+x   /* { dg-warning "redefined" "bar redefined" } */
  21
  22 #define bat(x, y) x+y  /* { dg-warning "previous def" "bat prev def" } */
  23 #define bat(x, y) x+ y   /* { dg-warning "redefined" "bat redefined" } */
  24
  25 #define baz(x, y) x+y  /* { dg-warning "previous def" "baz prev def" } */
  26 #define baz(x, y) x +y   /* { dg-warning "redefined" "baz redefined" } */
  27
  28 #define f(x, y) "x y"  /* { dg-warning "previous def" "f prev def" } */
  29 #define f(x, y) "x  y"   /* { dg-warning "redefined" "f redefined" } */
  30
  31 #define g(x, y) 'x'  /* { dg-warning "previous def" "g prev def" } */
  32 #define g(x, y) ' x'   /* { dg-warning "redefined" "g redefined" } */