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[Bug c++/20943] New: Signal 11 in demangler


https://sourceware.org/bugzilla/show_bug.cgi?id=20943

            Bug ID: 20943
           Summary: Signal 11 in demangler
           Product: gdb
           Version: 7.11
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: c++
          Assignee: unassigned at sourceware dot org
          Reporter: kamil.rojewski at gmail dot com
  Target Milestone: ---

While trying to debug an application, I got a message:

/build/gdb-NDLqes/gdb-7.11.90.20161005/gdb/cp-support.c:1615:
demangler-warning: unable to demangle
'_ZSt4moveIRN5boost4asio6detail8write_opIN2VA7Monitor23AsioStreamSocketAdapterENS1_15const_buffers_1ENS2_14transfer_all_tEZZNS5_16ServerConnection15sendUserMessageEmRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEENK3$_1clISt6vectorIhSaIhEEEEDaOT_EUlRKSO_T0_E_EEEONSt16remove_referenceISO_E4typeESP_'
(demangler failed with signal 11)
A problem internal to GDB has been detected,
further debugging may prove unreliable.

Something special in this symbol makes the demangler crash.

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