Build errors

[David Malcolm]

On Thu, 2013-10-24 at 19:20 -0700, Simon Feltman wrote:
> On Thu, Oct 24, 2013 at 10:39 AM, David Malcolm <dmalcolm@redhat.com> wrote:
> > On Wed, 2013-10-23 at 20:31 -0700, Simon Feltman wrote:
> >> >> But I'm now hitting this when running test.py:
> >> >> $ python3 test.py
> >> >> .libgccjit.so: internal compiler error: Segmentation fault
> >> >> ...
> >> >> 0x7fad426c2485 gcc::jit::context::invoke_code_factory()
> >> >>         ../../src/gcc/jit/internal-api.c:1345
> >> >
> >>
> >> The clone was made yesterday (and I updated it again today).
> >
> > That's unexpected.
> >
> > You know this, but for the list archives, you can debug the python
> > bindings using:
> >
> >   gdb --args python3 test.py
> 
> Indeed, the issue turned out to be how Cython interprets None by
> default, basically gcc_jit_function_add_conditional was receiving a
> bad pointer with on_false=None. I submitted a pull request with a
> quick fix and some notes about a potentially more robust way to
> generally deal with None in Cython. The Python tests are now running
> well for me.
Ouch.  Thanks for tracking this down.  Merged.