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

   1 /* { dg-do link } */
   2 /* { dg-warning "visibility" "unsupported" { target sparc*-sun-solaris2.* } 22 } */
   3 /* Test that encode_section_info handles the change from externally
   4    defined to locally defined (via hidden).   Extracted from glibc.  */
   5
   6 struct __res_state {
   7         char x[123];
   8 };
   9
  10 extern __thread struct __res_state bar
  11   __attribute__ ((tls_model ("initial-exec")));
  12
  13 int main()
  14 {
  15   bar.x[0] = 0;
  16   return 0;
  17 }
  18
  19 __thread struct __res_state foo;
  20 extern __thread struct __res_state bar
  21   __attribute__ ((alias ("foo")))
  22   __attribute__ ((visibility ("hidden")));