This one just needs a couple of casts:
/cygdrive/j/Home/cvsroot/gcc-obj/./prev-gcc/xgcc
-B/cygdrive/j/Home/cvsroot/gcc-obj/./prev-gcc/ -B/usr/local/i686-pc-cygwin/bin/
-B/usr/local/i686-pc-cygwin/bin/ -B/usr/local/i686-pc-cygwin/lib/ -isystem
/usr/local/i686-pc-cygwin/include -isystem
/usr/local/i686-pc-cygwin/sys-include -c -gtoggle -DIN_GCC -W -Wall
-Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes
-Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -Werror -Wold-style-definition -Wc++-compat
-DHAVE_CONFIG_H -I. -Icp -I/cygdrive/j/Home/cvsroot/gcc/gcc
-I/cygdrive/j/Home/cvsroot/gcc/gcc/cp
-I/cygdrive/j/Home/cvsroot/gcc/gcc/../include
-I/cygdrive/j/Home/cvsroot/gcc/gcc/../libcpp/include
-I/cygdrive/j/Home/cvsroot/gcc/gcc/../libdecnumber
-I/cygdrive/j/Home/cvsroot/gcc/gcc/../libdecnumber/dpd -I../libdecnumber
-DCLOOG_PPL_BACKEND /cygdrive/j/Home/cvsroot/gcc/gcc/cp/pt.c -o cp/pt.o
cc1: warnings being treated as errors
/cygdrive/j/Home/cvsroot/gcc/gcc/cp/pt.c: In function
'get_template_parms_at_level':
/cygdrive/j/Home/cvsroot/gcc/gcc/cp/pt.c:2851:16: error: comparison between
signed and unsigned integer expressions
/cygdrive/j/Home/cvsroot/gcc/gcc/cp/pt.c:2855:30: error: comparison between
signed and unsigned integer expressions
make[3]: *** [cp/pt.o] Error 1
--
Summary: Warning Treated as Error
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: mckelvey at maskull dot com
GCC build triplet: i686-pc-cygwin
GCC host triplet: i686-pc-cygwin
GCC target triplet: i686-pc-cygwin
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43541
