$ gdb /var/tmp/portage/net-libs/grpc-1.20.1/work/grpc-1.20.1/bins/opt/grpc_cpp_plugin core.grpc_cpp_plugin.2901 
Reading symbols from /var/tmp/portage/net-libs/grpc-1.20.1/work/grpc-1.20.1/bins/opt/grpc_cpp_plugin...
[New LWP 2901]
Core was generated by `/var/tmp/portage/net-libs/grpc-1.20.1/work/grpc-1.20.1/bins/opt/grpc_cpp_plugin'.
Program terminated with signal SIGABRT, Aborted.
(gdb) bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007fca844acf30 in __GI_abort () at abort.c:79
#2  0x00007fca846e165e in __gnu_cxx::__verbose_terminate_handler () at /var/tmp/portage/sys-devel/gcc-9.1.0/work/gcc-9.1.0/libstdc++-v3/libsupc++/vterminate.cc:95
#3  0x00007fca846ed0c6 in __cxxabiv1::__terminate () at /var/tmp/portage/sys-devel/gcc-9.1.0/work/gcc-9.1.0/libstdc++-v3/libsupc++/eh_terminate.cc:47
#4  0x00007fca846ed111 in std::terminate () at /var/tmp/portage/sys-devel/gcc-9.1.0/work/gcc-9.1.0/libstdc++-v3/libsupc++/eh_terminate.cc:57
#5  0x00007fca846ed364 in __cxa_throw () at /var/tmp/portage/sys-devel/gcc-9.1.0/work/gcc-9.1.0/libstdc++-v3/libsupc++/eh_throw.cc:95
#6  0x00007fca846e4134 in std::__throw_system_error () at /var/tmp/portage/sys-devel/gcc-9.1.0/work/gcc-9.1.0/libstdc++-v3/src/c++11/system_error.cc:337
#7  0x00007fca8493828c in std::call_once<void (&)()> () at /usr/lib/gcc/x86_64-pc-linux-gnu/7.4.0/include/g++-v7/mutex:698
#8  0x00007fca84937ea7 in google::protobuf::internal::call_once<std::once_flag&, void (&)()> () at /var/tmp/portage/dev-libs/protobuf-3.6.1.3/work/protobuf-3.6.1.3/src/google/protobuf/stubs/once.h:91
#9  protobuf_google_2fprotobuf_2fany_2eproto::AddDescriptors () at /var/tmp/portage/dev-libs/protobuf-3.6.1.3/work/protobuf-3.6.1.3/src/google/protobuf/any.pb.cc:105
#10 0x00007fca8490031f in protobuf_google_2fprotobuf_2fany_2eproto::StaticDescriptorInitializer::StaticDescriptorInitializer () at /var/tmp/portage/dev-libs/protobuf-3.6.1.3/work/protobuf-3.6.1.3/src/google/protobuf/any.pb.cc:110
#11 __static_initialization_and_destruction_0 () at /var/tmp/portage/dev-libs/protobuf-3.6.1.3/work/protobuf-3.6.1.3/src/google/protobuf/any.pb.cc:112
#12 _GLOBAL__sub_I_any.pb.cc(void) () at /var/tmp/portage/dev-libs/protobuf-3.6.1.3/work/protobuf-3.6.1.3/src/google/protobuf/any.pb.cc:433
#13 0x00007fca84dcd65a in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7ffe9f706428, env=env@entry=0x7ffe9f706438) at dl-init.c:72
#14 0x00007fca84dcd764 in call_init (env=0x7ffe9f706438, argv=0x7ffe9f706428, argc=1, l=<optimized out>) at dl-init.c:118
#15 _dl_init (main_map=0x7fca84de9130, argc=1, argv=0x7ffe9f706428, env=0x7ffe9f706438) at dl-init.c:119
#16 0x00007fca84dbf24a in _dl_start_user () from /lib64/ld-linux-x86-64.so.2
#17 0x0000000000000001 in ?? ()
#18 0x00007ffe9f707b20 in ?? ()
#19 0x0000000000000000 in ?? ()