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 */
32