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Subject: [Bug tree-optimization/53198] [4.6/4.7 Regression] gcc wrongly emits "array subscript is above array bounds" for simple arrays
Date: Tue, 18 Dec 2012 15:16:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D53198

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |4.8.0
      Known to fail|4.7.0, 4.8.0                |4.7.2

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-18 =
15:16:16 UTC ---
(In reply to comment #4)
> (In reply to comment #3)
> > Created attachment 27801 [details]
> > another testcase - from xorg mouse driver
>=20
> This warns with GCC 4.8 r192379:
>=20
> pr53198.c: In function =E2=80=98CheckProtocol=E2=80=99:
> pr53198.c:35:30: warning: array subscript is above array bounds
> [-Warray-bounds]
>      for (i =3D 0; internalNames[i]; i++)
>                               ^
>=20
> It doesn't warn with gcc 4.5.1

Doesn't warn any longer on trunk.