https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63573
--- Comment #13 from Andreas Schwab <sch...@linux-m68k.org> --- Also breaks gcc.dg/tree-ssa/ldist-19.c (both -m32 and -m64). $ gcc/xgcc -Bgcc/ ../gcc/gcc/testsuite/gcc.dg/tree-ssa/ldist-19.c -O3 -fdump-tree-ldist-details -S -m32 -o ldist-19.s && grep -c "generated memset" ldist-19.c.* 4