https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106219
--- Comment #3 from David Binderman <dcb314 at hotmail dot com> --- Created attachment 53264 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53264&action=edit gzipped C++ source code After about 100 minutes of computation, I provide the partly reduced code. The cvise line I am using is: (/usr/bin/g++ -c -w -O1 -march=native bug825.cc && /home/dcb/gcc/results/bin/g++ -c -w -g -O3 -march=native -fno-exceptions bug825.cc) 2>&1 | fgrep "internal compiler error: in vect_do_peeling, at tree-vect-loop-manip.cc:2703" native is bdver2. If no one else picks this up, I will continue tomorrow.