[Bug libstdc++/22200] numeric_limits<signed>::is_modulo is inconsistend with gcc

[veksler at il dot ibm dot com]

------- Additional Comments From veksler at il dot ibm dot com  2005-06-27 15:33 -------
This is a bug because std::numeric_limits<signed>::is_modulo
should be true only if singed overflow is defined.
This is not the case with gcc, because gcc does not have the
extension "signed oveflow == module" then is_modulo should
not lie.
The undefinedness referse to MAX_INT+1 not to is_modulo.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22200