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[Bug middle-end/19430] Missing uninitialized warning
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Sep 2005 02:19:18 -0000
- Subject: [Bug middle-end/19430] Missing uninitialized warning
- References: <20050113200457.19430.terra@gnome.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-10 02:19 -------
(In reply to comment #3)
> (In reply to comment #1)
> > Confirmed. It doesn't work on mainline either. The warning machinery is
> > getting confused with the first V_MAY_DEF to j in the first call to 'bar()'.
> Actually the warning machinery does not work with VOPs at all.
I should say see PR 23805 for an example of that.
Also the extra V_MAY_DEF is coming from that fact the clobber list is not flow sensitive, see PR 23384
for that bug.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19430