https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65342
--- Comment #6 from Alan Modra <amodra at gmail dot com> --- Created attachment 35001 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35001&action=edit workaround You might like to consider this patch that effectively reverts r210201 for Darwin. This should cure the regression.