[Webkit-unassigned] [Bug 159919] Not possible to GDB WebKitGtk+ 2.13.3: demangler-warning: unable to demangle

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=159919

Carlos Alberto Lopez Perez <clopez at igalia.com> changed:

           What    |Removed                     |Added
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                 CC|                            |clopez at igalia.com

--- Comment #6 from Carlos Alberto Lopez Perez <clopez at igalia.com> ---
I think the issue is this one:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61321

I'm able to reproduce the issue with this test case that comes from <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68159#c4>:

$ echo 'void _ZSt7forwardIRKZN5Write14DataMapGrammarISt20back_insert_iteratorISsEEC4EvEUlRT_E_EOS5_RNSt16remove_referenceIS5_E4typeE() {} int main() {}' | gcc -xc - -o /tmp/a.out && gdb /tmp/a.out

[...]
Reading symbols from /tmp/a.out.../build/gdb-GtCqbH/gdb-7.11.1/gdb/cp-support.c:1595: demangler-warning: unable to demangle '_ZSt7forwardIRKZN5Write14DataMapGrammarISt20back_insert_iteratorISsEEC4EvEUlRT_E_EOS5_RNSt16remove_referenceIS5_E4typeE' (demangler failed with signal 11)
Unable to dump core, use `ulimit -c unlimited' before executing GDB next time.
/build/gdb-GtCqbH/gdb-7.11.1/gdb/cp-support.c:1608: demangler-warning: unable to demangle '_ZSt7forwardIRKZN5Write14DataMapGrammarISt20back_insert_iteratorISsEEC4EvEUlRT_E_EOS5_RNSt16remove_referenceIS5_E4typeE' (demangler failed with signal 11)

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