https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126153
--- Comment #5 from Sam James <sjames at gcc dot gnu.org> --- (In reply to David Binderman from comment #4) > (In reply to David Binderman from comment #2) > > Reduction abandoned. Failure to make progress with cvise. > > My cvise script got as far as: > > /usr/bin/gcc -w bug1227.c && > ./a.out && > [ $? -eq 0 ] && > ~/gcc/results/bin/gcc -w -O3 -ftrivial-auto-var-init=zero bug1227.c > && > ./a.out > > but then $? is set to 139 and I can't figure out how to > get execution to continue to compare with zero. As I recommended before, it is much easier to do this with a full shell script rather than with a pipeline.
