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[Bug middle-end/45307] Stores expanding to no RTL not removed by tree optimizers, Empty ctors/dtors not eliminated
- From: "hubicka at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Aug 2010 16:45:51 -0000
- Subject: [Bug middle-end/45307] Stores expanding to no RTL not removed by tree optimizers, Empty ctors/dtors not eliminated
- References: <bug-45307-176@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from hubicka at gcc dot gnu dot org 2010-08-17 16:45 -------
oops, I've left IRC sentence unfinished. At IRC Richi told that FEs should not
ever produce stores to empty structs at first place, so we don't need middle
end logic of taking them away. Jakub thought that those stores are left to
keep -Wuninitialized safe.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45307