https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82092
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |iains at gcc dot gnu.org --- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- On darwin10, starting at revision r249105, bootstrap fails with Undefined symbols: "CIE.eh", referenced from: CIE in _negvdi2_s.o unless I use --- ../_clean/gcc/config/darwin.c 2017-09-18 15:49:48.000000000 +0200 +++ gcc/config/darwin.c 2017-09-23 21:00:41.000000000 +0200 @@ -3201,6 +3201,10 @@ darwin_override_options (void) flag_reorder_blocks = 1; } + // FIXME ; Jam this off until we figure out what codegen issues are caused + flag_reorder_blocks_and_partition = 0; + flag_reorder_blocks = 1; + /* FIXME: flag_objc_sjlj_exceptions is no longer needed since there is only one valid choice of exception scheme for each runtime. */ if (!global_options_set.x_flag_objc_sjlj_exceptions) Could you please test this patch?