[Bug 1332484] [NEW] GDB Demangler crashes in 14.10 and 14.04

[Timo Jyrinki]

Public bug reported:

This is to duplicate an upstream bug report that affects users on both
14.10 and 14.04 LTS.

Test case:

echo 'void
_ZN5Utils9transformIPN15ProjectExplorer13BuildStepListEZNKS1_18BuildConfiguration14knownStepListsEvEUlS3_E_EEN4Myns5QListIDTclfp0_cvT__EEEEERKNS7_IS8_EET0_()
{ } int main() {}' | gcc -xc - && gdb ./a.out

Upstream has a patch, and it'd be nice to also SRU the fix to 14.04 LTS
because users are seeing it (as reported on IRC).

** Affects: gdb
     Importance: Unknown
         Status: Unknown

** Affects: gdb (Ubuntu)
     Importance: Undecided
         Status: New

** Bug watch added: Sourceware.org Bugzilla #17066
   http://sourceware.org/bugzilla/show_bug.cgi?id=17066

** Also affects: gdb via
   http://sourceware.org/bugzilla/show_bug.cgi?id=17066
   Importance: Unknown
       Status: Unknown

** Description changed:

  This is to duplicate an upstream bug report that affects users on both
  14.10 and 14.04 LTS.
  
  Test case:
  
  echo 'void
  _ZN5Utils9transformIPN15ProjectExplorer13BuildStepListEZNKS1_18BuildConfiguration14knownStepListsEvEUlS3_E_EEN4Myns5QListIDTclfp0_cvT__EEEEERKNS7_IS8_EET0_()
  { } int main() {}' | gcc -xc - && gdb ./a.out
+ 
+ Upstream has a patch, and it'd be nice to also SRU the fix to 14.04 LTS
+ because users are seeing it (as reported on IRC).

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https://bugs.launchpad.net/bugs/1332484

Title:
  GDB Demangler crashes in 14.10 and 14.04

Status in GNU Debugger:
  Unknown
Status in “gdb” package in Ubuntu:
  New

Bug description:
  This is to duplicate an upstream bug report that affects users on both
  14.10 and 14.04 LTS.

  Test case:

  echo 'void
  _ZN5Utils9transformIPN15ProjectExplorer13BuildStepListEZNKS1_18BuildConfiguration14knownStepListsEvEUlS3_E_EEN4Myns5QListIDTclfp0_cvT__EEEEERKNS7_IS8_EET0_()
  { } int main() {}' | gcc -xc - && gdb ./a.out

  Upstream has a patch, and it'd be nice to also SRU the fix to 14.04
  LTS because users are seeing it (as reported on IRC).

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