The tests were using a c_str() result from a std::string that had gone out of scope. GCC 5.1 seems to be more agressive in freeing the string data before the tests checked against it.
The tests were using a c_str() result from a std::string that had gone out of
scope. GCC 5.1 seems to be more agressive in freeing the string data before
the tests checked against it.