https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64164
--- Comment #45 from Andreas Schwab <sch...@linux-m68k.org> --- It also breaks a lot of tests on m68k, eg: $ gcc/xgcc -B gcc/ ../gcc/testsuite/gcc.dg/pr17957.c ../gcc/testsuite/gcc.dg/pr17957.c: In function ‘vadd’: ../gcc/testsuite/gcc.dg/pr17957.c:6:1: internal compiler error: in expand_one_stack_var_1, at cfgexpand.c:1221 vadd (void) ^ 0x662055 expand_one_stack_var_1 ../../gcc/cfgexpand.c:1221 0x670685 expand_one_ssa_partition ../../gcc/cfgexpand.c:1295 0x670685 expand_used_vars ../../gcc/cfgexpand.c:1940 0x671e20 execute ../../gcc/cfgexpand.c:6084