[1/21] cxx asan '' cpp/fanos.cc _build/obj/cxx-asan/cpp/fanos.o
[2/21] cxx asan '' cpp/libc.cc _build/obj/cxx-asan/cpp/libc.o
[3/21] cxx asan '' cpp/frontend_pyreadline.cc _build/obj/cxx-asan/cpp/frontend_pyreadline.o
[4/21] cxx asan '' cpp/frontend_flag_spec.cc _build/obj/cxx-asan/cpp/frontend_flag_spec.o
[5/21] cxx asan '' cpp/core.cc _build/obj/cxx-asan/cpp/core.o
[6/21] cxx asan '' cpp/osh_tdop.cc _build/obj/cxx-asan/cpp/osh_tdop.o
[7/21] cxx asan '' cpp/osh.cc _build/obj/cxx-asan/cpp/osh.o
[8/21] cxx asan '' cpp/pylib.cc _build/obj/cxx-asan/cpp/pylib.o
[9/21] cxx asan '' cpp/pgen2.cc _build/obj/cxx-asan/cpp/pgen2.o
[10/21] cxx asan '' cpp/frontend_match.cc _build/obj/cxx-asan/cpp/frontend_match.o
[11/21] cxx asan '' _gen/frontend/arg_types.cc _build/obj/cxx-asan/_gen/frontend/arg_types.o
[12/21] cxx asan '' _gen/data_lang/nil8.asdl.cc _build/obj/cxx-asan/_gen/data_lang/nil8.asdl.o
[13/21] cxx asan '' cpp/stdlib.cc _build/obj/cxx-asan/cpp/stdlib.o
[14/21] cxx asan '' _gen/frontend/signal.cc _build/obj/cxx-asan/_gen/frontend/signal.o
[15/21] cxx asan '' _gen/frontend/consts.cc _build/obj/cxx-asan/_gen/frontend/consts.o
[16/21] cxx asan '' _gen/osh/arith_parse.cc _build/obj/cxx-asan/_gen/osh/arith_parse.o
[17/21] cxx asan '' _gen/frontend/help_meta.cc _build/obj/cxx-asan/_gen/frontend/help_meta.o
[18/21] cxx asan '' _gen/bin/oils_for_unix.mycpp.cc _build/obj/cxx-asan/_gen/bin/oils_for_unix.mycpp.o
FAILED: _build/obj/cxx-asan/_gen/bin/oils_for_unix.mycpp.o 
build/ninja-rules-cpp.sh compile_one cxx asan '' _gen/bin/oils_for_unix.mycpp.cc _build/obj/cxx-asan/_gen/bin/oils_for_unix.mycpp.o _build/obj/cxx-asan/_gen/bin/oils_for_unix.mycpp.o.d
_gen/bin/oils_for_unix.mycpp.cc: In member function 'virtual int readline_osh::Bind::Run(runtime_asdl::cmd_value::Argv*)':
_gen/bin/oils_for_unix.mycpp.cc:22035:18: error: invalid operands of types 'bool' and 'std::nullptr_t' to binary 'operator!='
       if (arg->X != nullptr) {
           ~~~~~~~^~~~~~~~~~
[19/21] cxx asan '' _gen/ysh/grammar_tables.cc _build/obj/cxx-asan/_gen/ysh/grammar_tables.o
ninja: build stopped: subcommand failed.