This is due to revision 133828 and fixed by the following patch:
--- ../_gcc_clean/gcc/fwprop.c 2008-04-02 12:12:57.0 +0200
+++ gcc/fwprop.c2008-04-02 13:44:07.0 +0200
@@ -231,7 +231,7 @@
PR_HANDLE_MEM is set when the source of the propagation was not
anothe
While rebuilding gcc I got the following failure:
/opt/gcc/i686-darwin/./prev-gcc/xgcc -B/opt/gcc/i686-darwin/./prev-gcc/
-B/opt/gcc/gcc4.4w/i686-apple-darwin9/bin/ -c -g -O2 -fomit-frame-pointer
-DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definitio
