[Bug middle-end/96192] tree-inline.c(copy_decl_for_dup_finish) should preserve decl alignment in copy

skpgkp2 at gmail dot com gcc-bugzilla@gcc.gnu.org
Tue Jul 14 15:01:21 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96192

--- Comment #3 from Sunil Pandey <skpgkp2 at gmail dot com> ---
(In reply to Richard Biener from comment #1)
> Hmm, but there's no local variable to copy here?  Are you refering to the
> result decl from b we materialize in c?  This would be the same case
> as for example switch conversion adding a 'long long' variable, so the
> issue would be more wide-spread as you think - for example IPA SRA might
> choose to pass an aggregate by its components thus with an aggregate with
> two long long members you should see similar issues.

Yes, long long result decl. It's incoming alignment is 4(lowered by target
hook). But copy get default alignment as 8.


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