https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80382
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> --- (In reply to Peter Bergner from comment #4) > (In reply to Marek Polacek from comment #0) > > This testcase (which took ~5 days of reducing) ICEs with -O3 -std=c++11 > > -mtune=power8 -mcpu=power8 -mno-lra: > > Did you use creduce or delta or ??? to reduce the test case? Just creduce. I think it'd be possible to reduce it a bit more, first manually and then run creduce again, but it needs a bit of knowledge of C++.