I added some reference returning member functions in cgraph.h, and now Ada appears to break while including cgraph.h. Huh?
gnatbind -nostdinc -I- -I. -Iada -I../../src2/gcc/ada -I../../src2/gcc/ada/gcc-interface -o b_gnat1.adb -n ada/gnat1drv.ali mv b_gnat1.adb b_gnat1.ads ada/ build/gengtype -S ../../src2/gcc -I gtyp-input.list -w tmp-gtype.state gcc -c -g -gnatp -gnatws -nostdinc -I- -I. -Iada -I../../src2/gcc/ada -I../../src2/gcc/ada/gcc-interface ada/b_gnat1.adb -o ada/b_gnat1.o ../../src2/gcc/cgraph.h:200: unexpected character `&' ../../src2/gcc/cgraph.h:428: unexpected character `&' ../../src2/gcc/cgraph.h:467: unexpected character `&' -- Lawrence Crowl