https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110311
--- Comment #9 from Jürgen Reuter <juergen.reuter at desy dot de> --- (In reply to Andrew Pinski from comment #8) > (In reply to Jürgen Reuter from comment #7) > > The problem seems really connected to optimization, if I compile our code > > with -g -O0 or -g -O1, everything works ok. Next, I will try to check why it > > is actually failing (my guess, unconfirmed yet, is that some data structures > > are optimized away such that the program runs then on inconsistent data). > > Then I will check that specific commit. We are sure that it was introduced > > within this time frame, because we have a weekly CI that clones gcc, and > > then builds and runs our code and testsuite. That was working on the morning > > of June 12, but failed on the morning of June 19. > > Do you know if -fno-tree-vectorizer causes the issue to go away? Hi Andrew, you were right. Compiling and running with -fno-tree-vectorize does not show any issues. All our checks work without problems. Cheers, Juergen
