[Bug rtl-optimization/70263] [4.9/5/6 Regression] ICE at -O1 and above in both 32-bit and 64-bit modes on x86_64-linux-gnu (segmentation fault)

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70263

--- Comment #6 from Alan Modra <amodra at gmail dot com> ---
Created attachment 38017
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38017&action=edit
possible fix

Maybe something as simple as this?