https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99212
--- Comment #18 from David Malcolm <dmalcolm at gcc dot gnu.org> --- (In reply to Stefan Schulze Frielinghaus from comment #17) > The new testcases introduced by commit d3b1ef7a83c fail on IBM Z as well as > some older data-model tests: Sorry about this; it sounds similar to the issues reported by Christophe Lyon on armeb-none-linux-gnueabihf here: https://gcc.gnu.org/pipermail/gcc-patches/2021-June/572375.html That one appears to be a bug with that patch, for targets where BYTES_BIG_ENDIAN is set. I'm testing a fix for it, using config-list.mk to test all targets, but it's taking a while; FWIW the fix seems to work on s390-linux-gnu, which for my reference has: BITS_BIG_ENDIAN: 1 BYTES_BIG_ENDIAN: 1 WORDS_BIG_ENDIAN: 1
