https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107304
--- Comment #2 from Colin Ian King <colin.king at intel dot com> --- Created attachment 53724 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53724&action=edit preprocessed source that can be compiled to show bug This is the pre-processed output from stress-vecshuf.c, compiling it will trigger the issue. gcc-12 -c stress-vecshuf-post-cpp.c -march=tigerlake