https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91683
--- Comment #10 from Segher Boessenkool <segher at gcc dot gnu.org> --- (In reply to Segher Boessenkool from comment #9) > So when was the array reallocated? combine does in general rely on all > rtxen to stay in place, etc. Ah pretty much directly from gen_reg_rtx. Bah. So where was that called from?