old-autovect-branch/gcc/testsuite/gcc.dg/tls/alias-1.c

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