gcc/testsuite/gcc.dg/attr-ifunc-2.c

   1 /* { dg-require-ifunc "" } */
   2
   3 static void *resolver ()
   4 {
   5   return 0;
   6 }
   7
   8 extern int magic (void)  /* { dg-message "previous definition" } */
   9      __attribute__ ((ifunc ("resolver")));
  10 extern int magic (void)  /* { dg-error "redefinition" "" } */
  11      __attribute__ ((alias ("resolver")));
  12
  13 extern int spell (void)  /* { dg-message "previous definition" } */
  14 {
  15   return 0;
  16 }
  17 extern int spell (void)  /* { dg-error "redefinition" "" } */
  18      __attribute__ ((ifunc ("resolver")));
  19
  20 extern int mantra (void)  /* { dg-message "previous definition" } */
  21      __attribute__ ((alias ("resolver")));
  22 extern int mantra (void)  /* { dg-error "redefinition" "" } */
  23      __attribute__ ((ifunc ("resolver")));
  24
  25 extern int saying (void)  /* { dg-error "weak .* cannot be defined" "" } */
  26      __attribute__ ((weak,ifunc ("resolver")));
  27 extern int maxim (void) /* { dg-error "indirect function .* cannot be declared weak" "" } */
  28      __attribute__ ((ifunc ("resolver"),weak));