http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57208
--- Comment #4 from Martin Liška <marxin.liska at gmail dot com> --- gcc --version: HEAD (June 3rd, 2013) Failure: g++ -Wl,-z,now -Wl,-z,relro -pthread -Wl,-z,noexecstack -fPIC -Wl,-O1 -Wl,--as-needed -flto -fno-fat-lto-objects -o protoc -Wl,--start-group obj/third_party/protobuf/src/google/protobuf/compiler/protoc.code_generator.o obj/third_party/protobuf/src/google/protobuf/compiler/protoc.command_line_interface.o obj/third_party/protobuf/src/google/protobuf/compiler/protoc.plugin.o obj/third_party/protobuf/src/google/protobuf/compiler/protoc.plugin.pb.o obj/third_party/protobuf/src/google/protobuf/compiler/protoc.subprocess.o obj/third_party/protobuf/src/google/protobuf/compiler/protoc.zip_writer.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_enum.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_enum_field.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_extension.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_field.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_file.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_generator.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_helpers.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_message.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_message_field.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_primitive_field.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_service.o obj/third_party/protobuf/src/google/protobuf/compiler/cpp/protoc.cpp_string_field.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_enum.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_enum_field.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_extension.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_field.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_file.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_generator.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_helpers.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_message.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_message_field.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_primitive_field.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_service.o obj/third_party/protobuf/src/google/protobuf/compiler/java/protoc.java_string_field.o obj/third_party/protobuf/src/google/protobuf/compiler/python/protoc.python_generator.o obj/third_party/protobuf/src/google/protobuf/compiler/protoc.main.o obj/third_party/protobuf/libprotobuf_full_do_not_use.a -Wl,--end-group lto1: internal compiler error: in get_alias_symbol, at lto-cgraph.c:921 0x77d283 get_alias_symbol ../../gcc/lto-cgraph.c:921 0x77ff45 input_node ../../gcc/lto-cgraph.c:1012 0x77ff45 input_cgraph_1 ../../gcc/lto-cgraph.c:1176 0x77ff45 input_symtab() ../../gcc/lto-cgraph.c:1449 0x507cda read_cgraph_and_symbols ../../gcc/lto/lto.c:2967 0x507cda lto_main() ../../gcc/lto/lto.c:3327 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. lto-wrapper: g++ returned 1 exit status /home/marxin/gcc-mirror/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/ld: lto-wrapper failed collect2: error: ld returned 1 exit status Dump: https://docs.google.com/file/d/0B0pisUJ80pO1MWZRMU5MZ3BYWE0/edit?usp=sharing Thank you, Martin