This (r188876) breaks bootstrap: see http://gcc.gnu.org/ml/gcc-regression/2012-06/msg00311.html
/export/gnu/import/git/gcc-test-intel64corei7/bld/./prev-gcc/g++ -B/export/gnu/import/git/gcc-test-intel64corei7/bld/./prev-gcc/ -B/usr/local/x86_64-unknown-linux-gnu/bin/ -nostdinc++ -B/export/gnu/import/git/gcc-test-intel64corei7/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs -B/export/gnu/import/git/gcc-test-intel64corei7/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs -I/export/gnu/import/git/gcc-test-intel64corei7/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu -I/export/gnu/import/git/gcc-test-intel64corei7/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include -I/export/gnu/import/git/gcc-test-intel64corei7/src-trunk/libstdc++-v3/libsupc++ -L/export/gnu/import/git/gcc-test-intel64corei7/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs -L/export/gnu/import/git/gcc-test-intel64corei7/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs -c -g -O2 -gtoggle -DIN_GCC -fno-exceptions -fno-rtti -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../src-trunk/gcc -I../../src-trunk/gcc/build -I../../src-trunk/gcc/../include -I../../src-trunk/gcc/../libcpp/include -I../../src-trunk/gcc/../libdecnumber -I../../src-trunk/gcc/../libdecnumber/bid -I../libdecnumber \ -o build/gcov-iov.o ../../src-trunk/gcc/gcov-iov.c ../../src-trunk/gcc/gcov-iov.c: In function 'int main(int, char**)': ../../src-trunk/gcc/gcov-iov.c:58:39: error: 'strcmp' was not declared in this scope || strcmp (argv[2], "prerelease") == 0) TIA Dominique