https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115010
--- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Thorsten Otto from comment #14) > A bisect between 10.0.0 and 11.4.0 for the 2nd testcase gave me this commit: > > commit 512c6ba04102295fccc62a173ee0086ca733c920 > From: Richard Biener <rguent...@suse.de> > Date: Thu, 12 Nov 2020 11:29:12 +0100 > Subject: [PATCH] Avoid PRE insert iteration when possible That just shows it is a latent bug really since that touches gimple level and not further down the pipeline of RTL.
