[ http://issues.apache.org/jira/browse/STDCXX-65?page=comments#action_12359201 ]
Martin Sebor commented on STDCXX-65: ------------------------------------ The test support/18.limits.traps.cpp exercises this behavior: http://svn.apache.org/repos/asf/incubator/stdcxx/trunk/tests/support/18.limits.traps.cpp > std::numeric_limits<int>::traps = false when integer arithmetic traps > --------------------------------------------------------------------- > > Key: STDCXX-65 > URL: http://issues.apache.org/jira/browse/STDCXX-65 > Project: STDCXX > Type: Bug > Components: 18. Language Support > Versions: 4.1.2 > Environment: all > Reporter: Martin Sebor > Assignee: Martin Sebor > Priority: Minor > Fix For: 4.1.3 > > The program below aborts. See also the related LWG issue 497: > http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-active.html#497 > $ cat t.cpp && nice make t -r CPPOPTS=-DSIGTRAP=5 && ./t > #include <cassert> > #include <csetjmp> > #include <csignal> > #include <limits> > std::jmp_buf env; > extern "C" void handle_trap (int) > { > std::longjmp (env, 1); > } > volatile int zero; > int main () > { > const bool traps = std::numeric_limits<int>::traps; > bool trapped = false; > std::signal (SIGFPE, handle_trap); > std::signal (SIGTRAP, handle_trap); > if (0 == setjmp (env)) { > zero = 2 / zero; > } > else { > trapped = true; > } > assert (traps && trapped || !traps && !trapped); > } > eccp -c -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG > -D_RWSTD_USE_CONFIG -I/build/sebor/eccp-3.6-11s/include > -I/build/sebor/dev/stdlib/include -I/build/sebor/dev/stdlib/../rwtest > -I/build/sebor/dev/stdlib/../rwtest/include > -I/build/sebor/dev/stdlib/tests/include -DSIGTRAP=5 -A -x > --template_directory=/build/sebor/eccp-3.6-11s/lib -g --display_error_number > --remarks --diag_suppress 193,236,340,401,261,479,487,678,679,815 t.cpp > eccp t.o -o t -L/build/sebor/eccp-3.6-11s/rwtest -lrwtest11s > --template_directory=/build/sebor/eccp-3.6-11s/lib > -L/build/sebor/eccp-3.6-11s/lib -lstd11s -lm > t.cpp:30: Assertion 'traps && trapped || !traps && !trapped' failed. > /build/sebor/eccp-3.6-11s/tests/t:__rw_assert_fail__4__rwFPCcT1iT1+0x84 > /build/sebor/eccp-3.6-11s/tests/t:main+0xcc > /build/sebor/eccp-3.6-11s/tests/t:_start+0x5c > Abort (core dumped) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
