http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49171
--- Comment #1 from Daniel Krügler <daniel.kruegler at googlemail dot com> 2011-05-26 12:10:59 UTC --- Additional remark: I'm speaking of potential code breakages that did rely on non-portable behaviour, because there is no evidence for me that C++03 did support this kind of reinterpret_cast usage.