https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78076
amker at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |amker at gcc dot gnu.org --- Comment #3 from amker at gcc dot gnu.org --- I also see bootstrap-O3 failure on x86_64 and AArch64 @241466: configure GCC with: $ ../gcc/configure --prefix=... --enable-languages=c,c++,fortran,go,lto,objc,obj-c++ --with-build-config=bootstrap-O3 --disable-werror Comparing stages 2 and 3 warning: gcc/cc1objplus-checksum.o differs warning: gcc/cc1obj-checksum.o differs Bootstrap comparison failure! gcc/simplify-rtx.o differs gcc/i386.o differs gcc/tree-vect-stmts.o differs gcc/wide-int.o differs libdecnumber/decNumber.o differs make[2]: *** [compare] Error 1 According to Martin, it's also related to this one.