https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125571

--- Comment #12 from Drea Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Drea Pinski from comment #11)
> Created attachment 64612 [details]
> hack to gimplifier to gimplify COND_EXPR as COND_EXPR for -O0/-O1
> 
> This hacks up the gimplifier and improves comment #9 compile time a lot.
> Both at -O0 and -O1.

Seems to helps the original testcase too.
60s at -O1
12s at -O0
(this is with -fno-checking but still with checking).

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