[Bug target/64882] [5 Regression] ICE on valid code at -O3 with -g enabled in simplify_subreg, at simplify-rtx.c:5681

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64882

--- Comment #11 from Uroš Bizjak <ubizjak at gmail dot com> ---
Created attachment 34631
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34631&action=edit
Proposed patch

Patch in testing.