id summary reporter owner description type status milestone component version severity resolution keywords cc 8124 No more exception when casting from negative number string to unsigned Bernd Raum Antony Polukhin "With gcc 4.2.4, a lexical_cast from negative number strings to an unsigned causes a bad_lexical_cast exception. With gcc 4.7.1 and 4.7.2, the value interpreted as positive integer is assigned instead. This bug occurs with Boost 1.33 and 1.51 on Open Suse and Solaris 10." Bugs closed To Be Determined lexical_cast Boost 1.51.0 Problem invalid lexical_cast unsigned