gcc/testsuite/gcc.dg/torture/pr57147-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdump-tree-optimized" } */
   3 /* { dg-skip-if "" { *-*-* } { "-fno-fat-lto-objects" } { "" } } */
   4 /* { dg-require-effective-target indirect_jumps } */
   5
   6 struct __jmp_buf_tag {};
   7 typedef struct __jmp_buf_tag jmp_buf[1];
   8 extern int _setjmp (struct __jmp_buf_tag __env[1]);
   9
  10 jmp_buf g_return_jmp_buf;
  11
  12 void SetNaClSwitchExpectations (void)
  13 {
  14   __builtin_longjmp (g_return_jmp_buf, 1);
  15 }
  16 void TestSyscall(void)
  17 {
  18   SetNaClSwitchExpectations();
  19   _setjmp (g_return_jmp_buf);
  20 }
  21
  22 /* { dg-final { scan-tree-dump "setjmp" "optimized" } } */