[Bug ipa/103052] [9/10/11/12 Regression] Function is found to be pure looping but has a call to a noreturn function in it

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103052

--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #7)
> I believe a possible noreturn should make the function LOOPING_{CONST,PURE}
> (LOOPING as in possibly not normally returning).  Can we bisect this?

Sure, it's quite hairy, started with r6-5479-gd8e3e8a57158160d.