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[Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 12 Feb 2013 23:50:03 +0000
- Subject: [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
- Auto-submitted: auto-generated
- References: <bug-56273-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-02-12 23:50:03 UTC ---
(In reply to comment #9)
> ../../../gcc-trunk/libgcc/crtstuff.c: In function 'frame_dummy':
> ../../../gcc-trunk/libgcc/crtstuff.c:463:19: warning: array subscript is above
> array bounds [-Warray-bounds]
> if (__JCR_LIST__[0])
>
> is this real or bogus?
Real and bogus at the same time.
STATIC void *__JCR_LIST__[]
__attribute__ ((used, section(JCR_SECTION_NAME), aligned(sizeof(void*))))
= { };
So it has a size of 0 so reading 0 is above the array bounds but this is not
normal code.