I'm still getting the undefined behavior findings. I'd like to thank the Debian folks for their prompt handling of the issue....
Its pretty clear to me taking the time to report bugs and follow up under this antiquated (and painful) system is a waste of my time. ********* 30 configurations tested 12 errors detected 25584:/usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:102:24: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 25585:/usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:82:67: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 26666:...../usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:102:24: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 26667:/usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:82:67: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 26844:/usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:102:24: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 26845:/usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:82:67: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 27920:...../usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:102:24: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 27921:/usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:82:67: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 30604:/usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:102:24: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 30605:/usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:82:67: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 31680:...../usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:102:24: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags' 31681:/usr/bin/../lib/gcc/x86_64-linux-gnu/5.2.1/../../../../include/c++/5.2.1/bits/ios_base.h:82:67: runtime error: load of value 4294967221, which is not a valid value for type 'std::_Ios_Fmtflags'