https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63641
--- Comment #2 from Ian Lance Taylor <ian at airs dot com> --- Created attachment 33805 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33805&action=edit sample patch This patch seems to fix the problem, and the new tests still pass. But I haven't done full testing and I'm not entirely sure whether this is the right approach.