[Bug sanitizer/68587] [6 Regression][UBSAN] ICE in expand_insn, at optabs.c:6974

[burnus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68587

--- Comment #1 from Tobias Burnus <burnus at gcc dot gnu.org> ---
The options can be reduced to:
   g++ -O1 -ffast-math -fsanitize=null