[Bug ipa/123587] [16 regression] ICE when building llvm-21.1.8

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123587

--- Comment #12 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #11)
> I am still trying to reduce a testcase .

Still reducing. I was able to remove 2 files (including the C source). I also
starting using a makefile to build so building the lto object files were in
parallel rather than serial; reduces the failure time in 1/4 so it is faster to
reduce. It is still slow. I did some manual removal of code too.