[Bug objc/68438] [6 Regression] Conditional jump or move depends on uninitialised value in location_adhoc_data_eq (line-map.c:89)

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68438

--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Candidate patch:
  https://gcc.gnu.org/ml/gcc-patches/2015-11/msg02536.html