https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78688
Bug ID: 78688 Summary: PowerPC fails bootstrap Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: meissner at gcc dot gnu.org Target Milestone: --- GCC subversion id 243270 does not bootstrap due to the following error: /home/meissner/fsf-build-ppc64le/trunk/./prev-gcc/xg++ -B/home/meissner/fsf-build-ppc64le/trunk/./prev-gcc/ -B/home/meissner/fsf-install-ppc64le/trunk/powerpc64le-unknown-linux-gnu/bin/ -nostdinc++ -B/home/meissner/fsf-build-ppc64le/trunk/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/src/.libs -B/home/meissner/fsf-build-ppc64le/trunk/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs -I/home/meissner/fsf-build-ppc64le/trunk/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/include/powerpc64le-unknown-linux-gnu -I/home/meissner/fsf-build-ppc64le/trunk/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/include -I/home/meissner/fsf-src/trunk/libstdc++-v3/libsupc++ -L/home/meissner/fsf-build-ppc64le/trunk/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/src/.libs -L/home/meissner/fsf-build-ppc64le/trunk/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs -fno-PIE -c -g -O2 -gtoggle -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -I. -I. -I/home/meissner/fsf-src/trunk/gcc -I/home/meissner/fsf-src/trunk/gcc/. -I/home/meissner/fsf-src/trunk/gcc/../include -I/home/meissner/fsf-src/trunk/gcc/../libcpp/include -I/home/meissner/fsf-src/trunk/gcc/../libdecnumber -I/home/meissner/fsf-src/trunk/gcc/../libdecnumber/dpd -I../libdecnumber -I/home/meissner/fsf-src/trunk/gcc/../libbacktrace -o targhooks.o -MT targhooks.o -MMD -MP -MF ./.deps/targhooks.TPo /home/meissner/fsf-src/trunk/gcc/targhooks.c In file included from ./tm.h:26:0, from /home/meissner/fsf-src/trunk/gcc/target.h:52, from /home/meissner/fsf-src/trunk/gcc/targhooks.c:52: /home/meissner/fsf-src/trunk/gcc/targhooks.c: In function 'bool default_function_value_regno_p(unsigned int)': /home/meissner/fsf-src/trunk/gcc/config/rs6000/rs6000.h:1871:41: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare] || ((N) >= ALTIVEC_ARG_RETURN && (N) <= ALTIVEC_ARG_MAX_RETURN \ ^ /home/meissner/fsf-src/trunk/gcc/targhooks.c:920:10: note: in expansion of macro 'FUNCTION_VALUE_REGNO_P' return FUNCTION_VALUE_REGNO_P (regno); ^~~~~~~~~~~~~~~~~~~~~~ cc1plus: all warnings being treated as errors make: *** [targhooks.o] Error 1