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[Bug middle-end/61409] [5/6/7 regression] -Wmaybe-uninitialized false-positive with -O2


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61409

--- Comment #23 from Jeffrey A. Law <law at redhat dot com> ---
Sorry, I can't remember if I meant 9->5 or 9->6 at this point :-)  I need to
refamiliarize myself with this stuff again to make sure I've got the basic
concepts before reviewing the patch.

But you can probably see now why I said there was some seriously powerful, but
dense code in here that I'd like to be able to re-use elsewhere to prune other
false positive may-be warnings.

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