Mainline is broken on ia64

[H. J. Lu]

Mainline is broken on ia64:

cc1: warnings being treated as errors
/net/gnu/export/gnu/src/gcc/gcc/gcc/flow.c: In function
'init_propagate_block_info':
/net/gnu/export/gnu/src/gcc/gcc/gcc/flow.c:1890: warning: pointer
targets in passing argument 4 of 'bmp_iter_set_init' differ in
signedness /net/gnu/export/gnu/src/gcc/gcc/gcc/flow.c:1890: warning:
pointer targets in passing argument 2 of 'bmp_iter_set' differ in
signedness /net/gnu/export/gnu/src/gcc/gcc/gcc/flow.c:1890: warning:
pointer targets in passing argument 2 of 'bmp_iter_next' differ in
signedness make[4]: *** [flow.o] Error 1


H.J.