------- Comment #1 from pinskia at gcc dot gnu dot org 2010-03-03 00:20 -------
Oh this change was on purpose:
r143125 | bkoz | 2009-01-06 09:41:02 -0800 (Tue, 06 Jan 2009) | 10 lines
2009-01-05 Benjamin Kosnik <b...@redhat.com>
* include/tr1_impl/regex: Remove unimplemented function definitions.
* testsuite/28_regex/init-list.cc: Compile only.
* testsuite/tr1/7_regular_expressions/regex/cons/char/
c_string_extended.cc: Same.
* testsuite/tr1/7_regular_expressions/basic_regex/assign/*: Same.
* testsuite/tr1/7_regular_expressions/basic_regex/ctors/*: Same.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43241
