https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78372
Bug ID: 78372 Summary: gdb/demangler crashes Product: gcc Version: 6.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: rols at rols dot org Target Milestone: --- gdb crashes on the following symbol, c++filt crashes on it too. Symbol is _ZSt7forwardIRKZN16BookStateManagerC4ERN5boost4asio10io_serviceENS2_2ip14basic_endpointINS5_3tcpEEEEUlRT_E_EOS9_RNSt16remove_referenceIS9_E4typeE $ c++filt _ZSt7forwardIRKZN16BookStateManagerC4ERN5boost4asio10io_serviceENS2_2ip14basic_endpointINS5_3tcpEEEEUlRT_E_EOS9_RNSt16remove_referenceIS9_E4typeE Segmentation fault (core dumped) c++filt -v GNU c++filt (GNU Binutils for Ubuntu) 2.26.1 $ /usr/local/bin/gdb build/Debug/src/apps/QtClient/QtClient GNU gdb (GDB) 7.12 .... Reading symbols from build/Debug/src/apps/QtClient/QtClient...cp-support.c:1600: demangler-warning: unable to demangle '_ZSt7forwardIRKZN16BookStateManagerC4ERN5boost4asio10io_serviceENS2_2ip14basic_endpointINS5_3tcpEEEEUlRT_E_EOS9_RNSt16remove_referenceIS9_E4typeE' (demangler failed with signal 11) Unable to dump core, use `ulimit -c unlimited' before executing GDB next time. cp-support.c:1615: demangler-warning: unable to demangle '_ZSt7forwardIRKZN16BookStateManagerC4ERN5boost4asio10io_serviceENS2_2ip14basic_endpointINS5_3tcpEEEEUlRT_E_EOS9_RNSt16remove_referenceIS9_E4typeE' (demangler failed with signal 11) A problem internal to GDB has been detected, further debugging may prove unreliable. Quit this debugging session? (y or n) y This is a bug, please report it. For instructions, see: <http://www.gnu.org/software/gdb/bugs/>.