[Bug preprocessor/41698] "\uFFFF" converts incorrectly to two-byte character

[jsm28 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41698

--- Comment #4 from Joseph S. Myers <jsm28 at gcc dot gnu.org> ---
Author: jsm28
Date: Sat Nov 29 01:56:06 2014
New Revision: 218179

URL: https://gcc.gnu.org/viewcvs?rev=218179&root=gcc&view=rev
Log:
Fix off-by-one bug in utf16 conversion (PR preprocessor/41698).

libcpp:
2014-11-29  John Schmerge  <jbschmerge@gmail.com>

    PR preprocessor/41698
    * charset.c (one_utf8_to_utf16): Do not produce surrogate pairs
    for 0xffff.

gcc/testsuite:
2014-11-29  Joseph Myers  <joseph@codesourcery.com>

    PR preprocessor/41698
    * gcc/testsuite/g++.dg/cpp/utf16-pr41698-1.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp/utf16-pr41698-1.C
Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/libcpp/ChangeLog
    trunk/libcpp/charset.c