https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81361
--- Comment #10 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > (1) The failure reported in pr82141 does not need -O2: > > ada/rts% /opt/gcc/build_w/gcc/xgcc -B/opt/gcc/build_w/gcc/ -c g-exptty.adb > > raised RTSFIND.RE_NOT_AVAILABLE : rtsfind.adb:851 Yes, it does and compiling rtsfind.adb at -O1 is the workaround. > (2) I see similar acats failures (see > https://gcc.gnu.org/ml/gcc-testresults/2017-07/msg02582.html), IMO they are > due to revision r249930 ("fix" for darwin_function_switched_text_sections). AFAICS this patch is only a formattig fix... > (3) The "reduced" test in pr82141 compiles > > % /opt/gcc/build_w/gcc/xgcc -B/opt/gcc/build_w/gcc/ -c p.adb Compile at -O1 and execute, then compile at -O2 and execute.