2018-06-18 Jonathan Wakely <jwakely@redhat.com>
+ LWG 2989 hide path iostream operators from normal lookup
+ * include/bits/fs_path.h (operator<<, operator>>): Define inline as
+ friends.
+ * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
+
+ LWG 3050 Fix cv-qualification of convertibility constraints
+ * include/std/chrono (duration, operator*, operator/, operator%): Use
+ const-qualified type as source type in is_convertible constraints.
+ * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
+ * testsuite/20_util/duration/cons/dr3050.cc: New.
+ * testsuite/20_util/duration/literals/range.cc: Rename to...
+ * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
+ dg-error lineno.
+
+2018-06-18 Maya Rashish <coypu@sdf.org>
+
+ * crossconfig.m4: Handle OpenBSD just like NetBSD.
+ * configure: Rebuilt.
+
+2018-06-18 Jonathan Wakely <jwakely@redhat.com>
+
+ P0754R2 <version> header
+ * include/Makefile.am: Add new header.
+ * include/Makefile.in: Regenerate.
+ * include/bits/c++config: Change doxygen comment to suggest <version>
+ instead of <iosfwd>.
+ * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
+ unconditionally. Add C++17 and C++20 headers.
+ * include/std/version: New header.
+ * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
+ * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
+ * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
+ * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
+ * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
+ * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
+ * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
+ New.
+ * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
+ * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
+ * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
+ * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
+ * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
+ * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
+ * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
+ New.
+ * testsuite/18_support/headers/version/macros.cc: New.
+ * testsuite/18_support/headers/version/macros.cc: New.
+
* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
symlink.