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

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