[Bug libbacktrace/88063] Libbacktrace leak on dwarf read failure

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88063

--- Comment #12 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 45063
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45063&action=edit
combined patch

> Can you attach one single patch from trunk?

Patch combining:
- Updated patch
  https://gcc.gnu.org/bugzilla/attachment.cgi?id=45055&action=edit
- Followup patch
  https://gcc.gnu.org/bugzilla/attachment.cgi?id=45058&action=edit
- Second followup patch
  https://gcc.gnu.org/bugzilla/attachment.cgi?id=45059&action=edit