[Bug target/78614] [7 Regression] ICE error: invalid rtl sharing found in the insn (verify_rtx_sharing) gcc/emit-rtl.c:2743

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78614

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |amodra at gmail dot com

--- Comment #12 from Alan Modra <amodra at gmail dot com> ---
> simplify_replace_rtx does not guarantee this, it only guarantees that the 
> original expression is not modified

I missed that fact.  FWIW, the last patch looks good to me.