[Bug libstdc++/66464] codecvt_utf16 max_length returning incorrect value

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66464

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Jun 12 10:26:05 2015
New Revision: 224415

URL: https://gcc.gnu.org/viewcvs?rev=224415&root=gcc&view=rev
Log:
        PR libstdc++/66464
        * src/c++11/codecvt.cc (codecvt_utf16_base<char32_t>::do_max_length):
        Return 4 not 3.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/src/c++11/codecvt.cc