diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/eh/forced3.C')
-rw-r--r-- | gcc/testsuite/g++.dg/eh/forced3.C | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/eh/forced3.C b/gcc/testsuite/g++.dg/eh/forced3.C new file mode 100644 index 000000000..b8f47df4a --- /dev/null +++ b/gcc/testsuite/g++.dg/eh/forced3.C @@ -0,0 +1,58 @@ +// HP-UX libunwind.so doesn't provide _UA_END_OF_STACK. +// { dg-do run { xfail "ia64-hp-hpux11.*" } } + +// Test that forced unwinding calls std::unexpected going +// through a nothrow function. + +#include <unwind.h> +#include <stdlib.h> +#include <exception> +#include <string.h> + +static _Unwind_Reason_Code +force_unwind_stop (int version, _Unwind_Action actions, + _Unwind_Exception_Class exc_class, + struct _Unwind_Exception *exc_obj, + struct _Unwind_Context *context, + void *stop_parameter) +{ + if (actions & _UA_END_OF_STACK) + abort (); + return _URC_NO_REASON; +} + +static void __attribute__((noreturn)) +force_unwind () +{ + _Unwind_Exception *exc = new _Unwind_Exception; + // exception_class might not be a scalar. + memset (&exc->exception_class, 0, sizeof (exc->exception_class)); + exc->exception_cleanup = 0; + +#ifndef __USING_SJLJ_EXCEPTIONS__ + _Unwind_ForcedUnwind (exc, force_unwind_stop, 0); +#else + _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0); +#endif + + abort (); +} + +static void +handle_unexpected () +{ + exit (0); +} + +static void +doit () throw() +{ + force_unwind (); +} + +int main() +{ + std::set_unexpected (handle_unexpected); + doit (); + abort (); +} |