https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68130
--- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Created attachment 36606 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36606&action=edit Dump file with -Os -m32 -fno-tree-pre -fdump-rtl-expand-details and r228970 > Just double-checking - the test fails with -Os -m32 -fno-tree-pre. Then > the FRE2 transform I cited triggers the issue. Can you attach > -fdump-rtl-expand-details dumps with that options for both revs? Dump file for r228970.