https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66929
--- Comment #5 from Jürgen Reuter <juergen.reuter at desy dot de> --- Maybe stressing again: this is pretty much a blocker for us because it is in a 'standard' module which we don't want to modify, and on which all parts of our code depend. We'd appreciate a reliable and quick fix soon.