http://bugzilla.suse.com/show_bug.cgi?id=1059075 http://bugzilla.suse.com/show_bug.cgi?id=1059075#c1
--- Comment #1 from Andreas Schwab schwab@suse.com --- The C standard says that VLA shall not have zero size, but a size of 1 is valid, and the default probe_stack expansion writes to a MEM of word_mode.