re PR libstdc++/60612 (Throwing exception, catching and rethrowing (std::exception_ptr) in destructor leads to segfault) PR libstdc++/60612 * libsupc++/eh_ptr.cc: Assert __cxa_dependent_exception layout is compatible with __cxa_exception. * libsupc++/unwind-cxx.h (__cxa_dependent_exception): Add padding. Fix typos in comments. * testsuite/18_support/exception_ptr/60612-terminate.cc: New. * testsuite/18_support/exception_ptr/60612-unexpected.cc: New. From-SVN: r208871
