$ gcc -mno-cygwin -O2 -c -o libavcodec_static_a-ffv1.o ffv1.i
ffv1.c: In function 'encode_rgb_frame':
ffv1.c:480: warning: assignment makes pointer from integer without a cast
ffv1.c: In function 'decode_plane':
ffv1.c:784: warning: initialization makes pointer from integer without a cast
ffv1.c:784: warning: initialization makes pointer from integer without a cast
ffv1.c: In function 'encode_rgb_frame':
ffv1.c:465: internal compiler error: in set_lattice_value, at tree-ssa-ccp.c:487

Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.