https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104566
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|Internal compiler error in |Internal compiler error in |fail_formatted while |fail_formatted while |building gcc from source |building gcc from source | |while building GCC 11.2.0 | |with ubuntu's | |7.5.0-3ubuntu1~18.04 Version|11.2.0 |7.5.0 --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Hmm, Makefile:4779: recipe for target 'all-stage1-gcc' failed Since this is stage 1 that is failing, the bug is related to the pre-installed compiler and not really GCC 11 issue. Also can you provide the output of "env"? Maybe there is a locale set which is causing this failure.