r246199 - in /trunk/libstdc++-v3: ChangeLog src...

[redi@gcc.gnu.org]

Author: redi
Date: Thu Mar 16 15:27:45 2017
New Revision: 246199

URL: https://gcc.gnu.org/viewcvs?rev=246199&root=gcc&view=rev
Log:
PR libstdc++/79511 fix endianness of UTF-16 data

	PR libstdc++/79511
	* src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
	as a surrogate pair.
	(__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
	for internal representation.
	(__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
	* testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.

Added:
    trunk/libstdc++-v3/testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/src/c++11/codecvt.cc