https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84554
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> --- So it got way past stage 2 then: (In reply to matthew.hambley from comment #1) > It looks like it gets to stage 2 of the bootstrapping process, then it fails > in > the MPFR self-test in the way described. Because it completed the bootstrap successfully, and only failed during checking. You should use -k when running make check, so it continues past errors like this.