compiler-rt/test/cfi/icall/weak.c

   1 // Test that weak symbols stay weak.
   2 // RUN: %clang_cfi -lm -o %t1 %s && %t1
   3 // XFAIL: darwin
   4
   5 __attribute__((weak)) void does_not_exist(void);
   6
   7 __attribute__((noinline))
   8 void foo(void (*p)(void)) {
   9   p();
  10 }
  11
  12 int main(int argc, char **argv) {
  13   if (does_not_exist)
  14     foo(does_not_exist);
  15 }