https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63534
--- Comment #48 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > --- Comment #44 from Iain Sandoe <iains at gcc dot gnu.org> --- > (In reply to Stupachenko Evgeny from comment #43) [...] > there were at one point this week 4 concurrent bootstrap breaks on dariwn. > > this PR. > the ipa-icf series > requiring non-weak aliases <-- this is pr63622 > and the iconv dep on libcpp. <-- AFAICT this should be fixed now In addition r216154 breaks a lot of asan tests with -m32: see https://gcc.gnu.org/ml/gcc-testresults/2014-10/msg02834.html