[Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273

--- Comment #9 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2013-02-12 16:24:11 UTC ---
I am just rebuilding (Updated to revision 195983.) and noticed
/home/data/newsoft/gcc-build/./gcc/xgcc -B/home/data/newsoft/gcc-build/./gcc/
-B/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/bin/
-B/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/lib/ -isystem
/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/include -isystem
/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/sys-include    -g -O2
-ftree-vectorize -fPIC -O2 -g -O2 -ftree-vectorize -fPIC -DIN_GCC   -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition  -isystem ./include  -I. -I.
-I../.././gcc -I../../../gcc-trunk/libgcc -I../../../gcc-trunk/libgcc/.
-I../../../gcc-trunk/libgcc/../gcc -I../../../gcc-trunk/libgcc/../include
-I../../../gcc-trunk/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT  -g0
-finhibit-size-directive -fno-inline -fno-exceptions
-fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize
-fno-stack-protector  -I. -I. -I../.././gcc -I../../../gcc-trunk/libgcc
-I../../../gcc-trunk/libgcc/. -I../../../gcc-trunk/libgcc/../gcc
-I../../../gcc-trunk/libgcc/../include
-I../../../gcc-trunk/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -o
crtend.o -MT crtend.o -MD -MP -MF crtend.dep  -fno-omit-frame-pointer
-fno-asynchronous-unwind-tables -c ../../../gcc-trunk/libgcc/crtstuff.c
-DCRT_END
../../../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?