[Bug rtl-optimization/64539] [5 regression] cprop_hardreg does not respect clobbers in C_I_F_U

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64539

vries at gcc dot gnu.org changed:

           What    |Removed                     |Added
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                 CC|                            |terry.guo at arm dot com

--- Comment #4 from vries at gcc dot gnu.org ---
Hi Terry,

I've bootstrapped and reg-tested the patch from comment 3 on x86_64, no issues
found.

Can you try the patch, and see if it fixes the problem that you observed in
PR64154 comment 2 ?

Thanks,
- Tom