Code review comment for lp:~brandontschaefer/mir/static-test-fix

20:07:06 [ 64%] Built target mir_privileged_tests
20:07:55 /usr/include/c++/6/bits/unique_ptr.h:787: error: undefined reference to '_Unwind_Resume'
20:07:55 /usr/include/x86_64-linux-gnu/c++/6/bits/gthr-default.h:778: error: undefined reference to '_Unwind_Resume'
20:07:55 ../../../src/server/glib_main_loop_sources.cpp:316: error: undefined reference to '_Unwind_Resume'
20:07:55 /usr/include/boost/exception/exception.hpp:326: error: undefined reference to '_Unwind_Resume'
20:07:55 collect2: error: ld returned 1 exit status

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