ninja: Entering directory `android_debug_unopt'
[5/245] LINK clang_x64/flutter_wtf_unittests
FAILED: clang_x64/flutter_wtf_unittests clang_x64/exe.unstripped/flutter_wtf_unittests
../../third_party/llvm-build/Release+Asserts/bin/clang++ -Wl,--fatal-warnings -m64 -fPIC -Wl,-z,noexecstack -Wl,-z,now -Wl,-z,relro -Wl,-z,defs -pthread -B../../third_party/binutils/Linux_x64/Release/bin -fuse-ld=gold -Wl,--icf=all -Wl,-rpath=\$ORIGIN/ -Wl,-rpath-link= -Wl,--disable-new-dtags -o clang_x64/exe.unstripped/flutter_wtf_unittests -Wl,--start-group @clang_x64/flutter_wtf_unittests.rsp  -Wl,--end-group  -ldl -lrt  && strip --strip-unneeded -o clang_x64/flutter_wtf_unittests clang_x64/exe.unstripped/flutter_wtf_unittests
../../third_party/binutils/Linux_x64/Release/bin/ld.gold: error: /usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../x86_64-linux-gnu/crti.o: unsupported reloc 42 against global symbol __gmon_start__
/usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../x86_64-linux-gnu/crti.o(.init+0x7): error: unsupported reloc 42
clang: error: linker command failed with exit code 1 (use -v to see invocation)
[14/245] CXX clang_x64/obj/dart/runtime/vm/libdart_lib_nosnapshot_with_precompiler/mirrors.o
ninja: build stopped: subcommand failed.