[Bug target/107304] internal compiler error: in convert_move, at expr.cc:220 with -march=tigerlake

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107304

--- Comment #6 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Hongtao.liu from comment #5)
> (In reply to H.J. Lu from comment #4)
> > Since the default is -march=tigerlake, it enables AVX512 in the middle end.
> > When "arch=alderlake" disables AVX512, we fails to expand AVX512 to
> > non-AVX512
> > ISAs. It means that target_clones can't be more restrictive than the
> > default. We
> > should provide better diagnostics.
> 
> Is there any place checking ISA difference for target_clones?

ix86_valid_target_attribute_inner_p?