Chapter 17. Debug ModeBy default, libstdc++ is built with efficiency in mind, and therefore performs little or no error checking that is not required by the C++ standard. This means that programs that incorrectly use the C++ standard library will exhibit behavior that is not portable and may not even be predictable, because they tread into implementation-specific or undefined behavior. To detect some of these errors be
52765 – -std=c++0x requires multilib for non-optimized libstdc++
GCC Bugzilla – Bug 52591 [C++0x] [4.7 Regression] moving std::vector relies on movable elements
http://gcc.gnu.org/viewcvs/trunk/libstdc%2B%2B-v3/doc/html/manual/status.html?view=co
