[Bug rtl-optimization/103775] [12 Regression] Assembler messages: Warning: unpredictable transfer with writeback -- `ldrb w0,[x0,16]!'

[ebotcazou at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103775

--- Comment #9 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> This untested patch seems to work.

This looks sensible to me, maybe move the new code up to before the constraint
check since it is always run.