https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81548
--- Comment #1 from Ian Lance Taylor <ian at airs dot com> --- You are saying that the files gotools.log.sent and gotools.sum.sent should be removed by "make distclean" (or some clean target) in gotools/Makefile.am? I couldn't find any other clean targets in the GCC tree that remove files by those names. What is special about gotools?