https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53984
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> --- Eventually. I tried removing the throws and got a bunch of test failures: FAIL: 27_io/basic_filebuf/overflow/char/9182-2.cc execution test FAIL: 27_io/basic_filebuf/seekoff/wchar_t/3.cc execution test FAIL: 27_io/basic_filebuf/seekpos/wchar_t/1.cc execution test FAIL: 27_io/basic_filebuf/sync/char/9182-1.cc execution test FAIL: 27_io/basic_filebuf/underflow/wchar_t/11544-1.cc execution test FAIL: 27_io/basic_filebuf/underflow/wchar_t/11544-2.cc execution test FAIL: 27_io/basic_filebuf/underflow/wchar_t/11603.cc execution test
