[Bug rtl-optimization/116336] [14/15 Regression] LRA causes a compare debug with uninitialized variable since r14-8435-g476226290dba8c

[vmakarov at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116336

--- Comment #6 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
(In reply to Sam James from comment #5)
> This works for me on trunk now. I assume Vlad's fix for PR116234 may have
> done it.

Yes, exactly. 
https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=decc6c0d4d909ce510b6533c48d70d0b353f909a
solves this.

In any case I'll add this code as a test.