> "make bootstrap" should have caught the warnings. It did not. Here's an example:
(compiles cleanly) [EMAIL PROTECTED]:~/build/gcc-mainline/gcc$ stage1/xgcc -Bstage1/ -B/usr/local/i686-pc-linux-gnu/bin/ -c -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros -Wold-style-definition -Werror -fno-common -DHAVE_CONFIG_H -I. -I. -I/home/bje/source/gcc-mainline/gcc -I/home/bje/source/gcc-mainline/gcc/. -I/home/bje/source/gcc-mainline/gcc/../include -I/home/bje/source/gcc-mainline/gcc/../libcpp/include /home/bje/source/gcc-mainline/gcc/ddg.c -o ddg.o (using GCC 4.0.2 20050717) [EMAIL PROTECTED]:~/build/gcc-mainline/gcc$ gcc -c -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros -Wold-style-definition -Werror -fno-common -DHAVE_CONFIG_H -I. -I. -I/home/bje/source/gcc-mainline/gcc -I/home/bje/source/gcc-mainline/gcc/. -I/home/bje/source/gcc-mainline/gcc/../include -I/home/bje/source/gcc-mainline/gcc/../libcpp/include /home/bje/source/gcc-mainline/gcc/ddg.c -o ddg.o cc1: warnings being treated as errors /home/bje/source/gcc-mainline/gcc/ddg.c: In function 'longest_simple_path': /home/bje/source/gcc-mainline/gcc/ddg.c:1018: warning: 'u' may be used uninitialized in this function I'll file a bug report. Ben
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