gcc/testsuite/gcc.dg/c23-complit-3.c

   1 /* Test C23 storage class specifiers in compound literals.  Thread-local
   2    cases, compilation tests.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=c23 -pedantic-errors" } */
   5 /* { dg-require-effective-target tls } */
   6
   7 #include <stddef.h>
   8
   9 /* thread_local is OK at file scope, although of limited use since the
  10    thread-local object and its address are not constant expressions.  */
  11 size_t st = sizeof (thread_local int) { 1 };
  12 size_t sst = sizeof (static thread_local int) { 1 };
  13
  14 int *
  15 f ()
  16 {
  17   return &(static thread_local int) { 2 };
  18 }
  19
  20 int *
  21 g ()
  22 {
  23   return &(thread_local static int) { 3 };
  24 }