gcc/testsuite/gcc.dg/torture/pr60092.c

   1 /* { dg-do run } */
   2 /* { dg-require-weak "" } */
   3 /* { dg-skip-if "No undefined weak" { hppa*-*-hpux* && { ! lp64 } } } */
   4 /* { dg-skip-if "No undefined weak" { nvptx-*-* } { "*" } { "" } } */
   5 /* { dg-additional-options "-Wl,-undefined,dynamic_lookup" { target *-*-darwin* } } */
   6 /* { dg-additional-options "-Wl,-flat_namespace" { target *-*-darwin[89]* } } */
   7 /* { dg-xfail-run-if "posix_memalign modifies first arg on error" { *-*-solaris2.11* } { "-O0" } } */
   8
   9 typedef __SIZE_TYPE__ size_t;
  10 extern int posix_memalign(void **memptr, size_t alignment, size_t size) __attribute__((weak));
  11 extern void abort(void);
  12 int
  13 main (void)
  14 {
  15   void *p;
  16   int ret;
  17
  18   if (!posix_memalign)
  19     return 0;
  20
  21   p = (void *)&ret;
  22   ret = posix_memalign (&p, sizeof (void *), -1);
  23   if (p != (void *)&ret)
  24     abort ();
  25   return 0;
  26 }