On Wed, 2013-12-04 20:19:29 -0700, Jeff Law <l...@redhat.com> wrote: > This patch splits up the erroneous path optimization into two > pieces. One which detects NULL dereferences and isolates those paths > and a second which detects passing/returning a NULL pointer in cases > where an attribute says a non-NULL value is required. [...]
This seems to break Go, see eg. http://toolchain.lug-owl.de/buildbot/show_build_details.php?id=50428 : g++ -c -DDEFAULT_TARGET_VERSION=\"4.9.0\" -DDEFAULT_TARGET_MACHINE=\"i686-pc-linux-gnu\" -DIN_GCC_FRONTEND -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -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 -I. -Igo -I../../../gcc/gcc -I../../../gcc/gcc/go -I../../../gcc/gcc/../include -I../../../gcc/gcc/../libcpp/include -I/opt/cfarm/mpc/include -I../../../gcc/gcc/../libdecnumber -I../../../gcc/gcc/../libdecnumber/bid -I../libdecnumber -I../../../gcc/gcc/../libbacktrace -o go/go-lang.o -MT go/go-lang.o -MMD -MP -MF go/.deps/go-lang.TPo ../../../gcc/gcc/go/go-lang.c ../../../gcc/gcc/go/go-lang.c: In function ‘bool go_langhook_post_options(const char**)’: ../../../gcc/gcc/go/go-lang.c:276:27: error: ‘struct gcc_options’ has no member named ‘x_flag_isolate_erroneous_paths’ if (!global_options_set.x_flag_isolate_erroneous_paths) ^ ../../../gcc/gcc/go/go-lang.c:277:20: error: ‘struct gcc_options’ has no member named ‘x_flag_isolate_erroneous_paths’ global_options.x_flag_isolate_erroneous_paths = 0; ^ make[2]: *** [go/go-lang.o] Error 1 MfG, JBG -- Jan-Benedict Glaw jbg...@lug-owl.de +49-172-7608481 Signature of: http://www.chiark.greenend.org.uk/~sgtatham/bugs.html the second :
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