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Subject: [Bug tree-optimization/18501] [4.3/4.4/4.5/4.6 Regression] Missing 'used uninitialized' warning (CCP)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D18501

--- Comment #45 from Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez <manu at gcc dot gn=
u.org> 2010-12-09 16:34:46 UTC ---
(In reply to comment #44)
> (In reply to comment #43)
> > Maybe it's high time someone address this shortcoming as opposed to add=
ing
> > additional language front ends.  If you can't even get the core ones ri=
ght...
>=20
> Generally the people who add front-ends aren't the people working on the
> middle-end and optimisers, so work on one doesn't take resources away fro=
m the
> other.
>=20

Moreover, the people that add new FEs are not the same people working on the
C/C++ FEs.=20

Anyway, in the comments above you can find the reasons why this is difficul=
t,
how Clang has solved it (or so they say, I haven't seen a comparison over m=
any
different testcases), and why you should not expect a fix in the medium ter=
m.