On Thu, 2013-10-17 at 21:28 -0700, Ian Lance Taylor wrote: > On Thu, Oct 17, 2013 at 8:54 PM, David Malcolm <dmalc...@redhat.com> wrote: > > > > +* segfault seen in libbacktrace, when an ICE occurs > > That reminded me to commit this libbacktrace patch I worked up a > couple of weeks ago. Previously if some debug section was missing, > the code could compute the wrong min_offset. The missing section > would have a zero offset, so min_offset would be set to zero, and > would then be set to the offset of the next section, even though that > one might not be the minimum. That could lead to a segfault in some > cases, though I don't know if that is the issue that David is seeing.
Thanks - your patch has fixed the issue I was seeing, and I now reliably get backtraces when an ICE happens within libgccjit.so. Now to try to fix things so that ICEs can't happen... Dave
