gcc/testsuite/gcc.dg/tls/alias-1.c

   1 /* { dg-do link } */
   2 /* Test that encode_section_info handles the change from externally
   3    defined to locally defined (via hidden).   Extracted from glibc.  */
   4
   5 struct __res_state {
   6         char x[123];
   7 };
   8
   9 extern __thread struct __res_state bar
  10   __attribute__ ((tls_model ("initial-exec")));
  11
  12 int main()
  13 {
  14   bar.x[0] = 0;
  15   return 0;
  16 }
  17
  18 __thread struct __res_state foo;
  19 extern __thread struct __res_state bar
  20   __attribute__ ((alias ("foo")))
  21   __attribute__ ((visibility ("hidden")));