[Bug lto/63333] lto, 1to1 segmentation fault

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63333

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |trippels at gcc dot gnu.org

--- Comment #3 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Avi Kivity from comment #2)
> I managed to narrow it down to 400 lines (before preprocessing), strangely
> in one file. Now, practically anything I touch turns the segfault into link
> errors.
> 
> Is this useful?  I could share it privately.

You could try one of the methods of:
https://gcc.gnu.org/wiki/A_guide_to_testcase_reduction
I recommend C-reduce, because it produces the most minimal testcases.