+2019-06-20 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
+ stage of bootstrap.
+ * configure: Regenerate.
+
+ * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
+ Qualify calls to __never_valueless.
+
+ * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
+ C++17 working draft.
+
+ * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
+ vector<bool> for test.
+ * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
+
+2019-06-19 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
+ private.
+ (istream_iterator::_M_read()): Do not check stream state before
+ attempting extraction. Set stream pointer to null when extraction
+ fails (P0738R2).
+ (operator==(const istream_iterator&, const istream_iterator&)): Change
+ to be a hidden friend of istream_iterator.
+ (operator!=(const istream_iterator&, const istream_iterator&)):
+ Likewise.
+ (ostream_iterator::ostream_iterator()): Add default constructor.
+ (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
+ addressof.
+ * testsuite/24_iterators/istream_iterator/1.cc: New test.
+ * testsuite/24_iterators/ostream_iterator/1.cc: New test.
+ * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
+ constructor taking a string.
+ * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
+ New test.
+
+2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
+ Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/90945
+ * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
+ values of type bool for vector<bool> elements.
+ * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
+ * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
+
2019-06-19 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90920 partially revert r263433