https://gcc.gnu.org/bugzilla/show_bug.cgi?id=74751
xujian <jeanerpp at gmail dot com> changed:
What |Removed |Added
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Status|RESOLVED |CLOSED
--- Comment #3 from xujian <jeanerpp at gmail dot com> ---
(In reply to Jakub Jelinek from comment #2)
> This is invalid, violates C aliasing rules.
> If you don't want to change your code, you can use -fno-strict-aliasing,
> otherwise e.g. replace the bogus ShortCopy with memcpy?
Thanks a lot!
"-fno-strict-aliasing" can solve our issue.
It is so tricky since different version of gcc behaviour differently regarding
this issue. We used 3.4.6/4.4.7 before, and did not encouter this.