[Bug target/79498] [5/7 Regression] ICE in df_insn_delete, at df-scan.c:948

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79498

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 40734
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40734&action=edit
A patch

I am testing this.