http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45990
--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2010-10-13 17:20:59 UTC --- Sure: with this patch, the test aborts: Assertion failed: t.isctype('e', t.lookup_classname(name, name+sizeof(name)-1)), file /vol/gcc/src/hg/trunk/local/libstdc++-v3/testsuite/28_regex/07_traits/char/isctype.cc, line 41, function test01 Abort Rainer