1 /* PR middle-end/32758 */
2 /* HP-UX libunwind.so doesn't provide _UA_END_OF_STACK */
4 /* { dg-options "-O2 -fexceptions" } */
5 /* { dg-skip-if "" { "ia64-*-hpux11.*" } { "*" } { "" } } */
6 /* Verify unwind info in presence of alloca. */
12 static _Unwind_Reason_Code
13 force_unwind_stop (int version, _Unwind_Action actions,
14 _Unwind_Exception_Class exc_class,
15 struct _Unwind_Exception *exc_obj,
16 struct _Unwind_Context *context,
19 if (actions & _UA_END_OF_STACK)
21 return _URC_NO_REASON;
24 static void force_unwind (void)
26 struct _Unwind_Exception *exc = malloc (sizeof (*exc));
27 memset (&exc->exception_class, 0, sizeof (exc->exception_class));
28 exc->exception_cleanup = 0;
30 #ifndef __USING_SJLJ_EXCEPTIONS__
31 _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
33 _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
39 __attribute__((noinline))
40 void foo (void *x __attribute__((unused)))
45 __attribute__((noinline))
46 int bar (unsigned int x)
48 void *y = __builtin_alloca (x);
53 static void handler (void *p __attribute__((unused)))
58 __attribute__((noinline))
61 char dummy __attribute__((cleanup (handler)));