+2022-05-31 Iain Sandoe <iain@sandoe.co.uk>
+
+ * config/darwin-sections.def (objc2_class_names_section,
+ objc2_method_names_section, objc2_method_types_section): New
+ * config/darwin.c (output_objc_section_asm_op): Output new
+ sections. (darwin_objc2_section): Select new sections where
+ used.
+ (darwin_label_is_anonymous_local_objc_name): Make
+ protocol class methods linker-visible.
+
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
+2022-05-31 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-opts.c (c_common_post_options): Default to
+ flag_objc_sjlj_exceptions = 1 only when flag_objc_abi < 2.
+
+2022-05-31 Iain Sandoe <iain@sandoe.co.uk>
+
+ Backported from master:
+ 2020-11-16 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR objc/97854
+ * stub-objc.c: Include c-common.h to declare enum rid.
+
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
+2022-05-31 Iain Sandoe <iain@sandoe.co.uk>
+
+ Backported from master:
+ 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR objc/101718
+ * objc-next-runtime-abi-02.c (build_v2_build_objc_method_call):
+ Revise for cases where scalar objects use an sret parameter.
+ (next_runtime_abi_02_build_objc_method_call): Likwise.
+
+2022-05-31 Iain Sandoe <iain@sandoe.co.uk>
+
+ * objc-next-metadata-tags.h (objc_rt_trees): Declare here.
+ * objc-next-runtime-abi-01.c: Remove from here.
+ (generate_static_references): Likewise.
+ * objc-next-runtime-abi-02.c: Likewise.
+ (objc_next_runtime_abi_02_init): Warn about and reset
+ flag_objc_sjlj_exceptions regardless of flag_objc_exceptions.
+ (next_runtime_02_initialize): Use a checking assert that
+ flag_objc_sjlj_exceptions is off.
+ (next_runtime_abi_02_category_decl): Adjust category
+ superclass name ordering.
+ (next_runtime_abi_02_init_metadata_attributes): Attach metadata
+ for the special string sections to class, method and method type
+ string sections.
+ (next_runtime_abi_02_protocol_decl): Do not dead-strip the runtime
+ meta-data symbols.
+ (build_v2_classrefs_table): Likewise.
+ (build_v2_protocol_list_address_table): Likewise.
+ (objc_next_runtime_abi_02_init): Default receiver nilchecks on.
+ * objc-runtime-shared-support.c: Reorder headers, provide
+ a GTY declaration the definition of objc_rt_trees.
+ * objc-gnu-runtime-abi-01.c
+ (build_shared_structure_initializer): Remove references to
+ the NeXT runtime.
+
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
+2022-05-31 Patrick Palka <ppalka@redhat.com>
+
+ Backported from master:
+ 2021-07-16 Patrick Palka <ppalka@redhat.com>
+
+ PR libstdc++/103904
+ PR libstdc++/101231
+ * include/std/ranges (_CachedPosition::_M_get): For non-forward
+ ranges, just call __builtin_unreachable.
+ * testsuite/std/ranges/istream_view.cc (test05): New test.
+
+2022-05-31 Patrick Palka <ppalka@redhat.com>
+
+ Backported from master:
+ 2021-06-18 Patrick Palka <ppalka@redhat.com>
+
+ PR libstdc++/103904
+ * include/bits/iterator_concepts.h (weakly_incrementable): Remove
+ default_initializable requirement.
+ * include/bits/stl_iterator.h (common_iterator): Constrain the
+ default ctor.
+ (counted_iterator): Likewise.
+ * include/std/ranges (ranges::view): Remove default_initializable
+ requirement.
+ (subrange): Constrain the default ctor.
+ (__detail::__box::operator=): Handle self-assignment.
+ (single_view): Constraint the default ctor.
+ (iota_view): Relax semiregular constraint to copyable.
+ Constrain the default ctor.
+ (iota_view::_Iterator): Constraint the default ctor.
+ (filter_view): Likewise.
+ (filter_view::_Iterator): Likewise.
+ (transform_view): Likewise.
+ (transform_view::_Iterator): Likewise.
+ (take_view): Likewise.
+ (take_view::_Iterator): Likewise.
+ (take_while_view): Likewise.
+ (take_while_view::_Iterator): Likewise.
+ (drop_while_view): Likewise.
+ (drop_while_view::_Iterator): Likewise.
+ (join_view): Likewise.
+ (split_view): Constrain the default ctor.
+ (common_view): Likewise.
+ (reverse_view): Likewise.
+ (elements_view): Likewise.
+ (elements_view::_Iterator): Likewise.
+ * include/std/span (enable_view<span<_ElementType, _Extent>>):
+ Define this partial specialization to true unconditionally.
+ * testsuite/std/ranges/p2325.cc: New test.
+ * testsuite/std/ranges/single_view.cc (test06): New test.
+ * testsuite/std/ranges/view.cc: Adjust now that view doesn't
+ require default_initializable.
+
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master: