+2020-11-16 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR objc/97854
+ * stub-objc.c: Include c-common.h to declare enum rid.
+
+2020-11-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/63287
+ * c-cppbuiltin.c: Include configargs.h.
+ (c_cpp_builtins): For C++11 and later if THREAD_MODEL_SPEC is not
+ defined, predefine __STDCPP_THREADS__ to 1 unless thread_model is
+ "single".
+
+2020-11-13 Gergö Barany <gergo@codesourcery.com>
+ Thomas Schwinge <thomas@codesourcery.com>
+
+ * c.opt (fopenacc-kernels): Add.
+
+2020-11-13 Jason Merrill <jason@redhat.com>
+
+ * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_using_enum.
+
+2020-11-13 Piotr H. Dabrowski <phd@phd.re>
+
+ PR c++/91318
+ * c-cppbuiltin.c: c_cpp_builtins_optimize_pragma(): use cpp_define_unused()
+
+2020-11-13 Martin Liska <mliska@suse.cz>
+
+ * c-attribs.c (build_attr_access_from_parms): Format properly.
+
+2020-11-13 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR objc/90707
+ * c-common.c (c_common_reswords): null_unspecified, nullable,
+ nonnull, null_resettable: New keywords.
+ * c-common.h (enum rid): RID_NULL_UNSPECIFIED, RID_NULLABLE,
+ RID_NONNULL, RID_NULL_RESETTABLE: New.
+ (OBJC_IS_PATTR_KEYWORD): Include nullability keywords in the
+ ranges accepted for property attributes.
+ * c-attribs.c (handle_objc_nullability_attribute): New.
+ * c-objc.h (enum objc_property_attribute_group): Add
+ OBJC_PROPATTR_GROUP_NULLABLE.
+ (enum objc_property_attribute_kind):Add
+ OBJC_PROPERTY_ATTR_NULL_UNSPECIFIED, OBJC_PROPERTY_ATTR_NULLABLE,
+ OBJC_PROPERTY_ATTR_NONNULL, OBJC_PROPERTY_ATTR_NULL_RESETTABLE.
+
+2020-11-13 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR objc/77404
+ * c-attribs.c (handle_objc_root_class_attribute): New
+ * c-objc.h (objc_start_class_interface): Add a location
+ value for the position of the class name.
+ * c.opt: Add Wobjc-root-class.
+ * stub-objc.c (objc_start_class_interface): Add a location
+ value for the position of the class name.
+
+2020-11-12 Joseph Myers <joseph@codesourcery.com>
+
+ * c-lex.c (c_common_has_attribute): Take argument std_syntax.
+ Allow scope for C. Handle standard attributes for C. Do not
+ accept unscoped attributes if std_syntax and not handled as
+ standard attributes.
+ * c-common.h (c_common_has_attribute): Update prototype.
+
+2020-11-12 Nicholas Guriev <guriev-ns@ya.ru>
+
+ PR pch/86674
+ * c-pch.c (c_common_valid_pch): Use cpp_warning with CPP_W_INVALID_PCH
+ reason to fix -Werror=invalid-pch and -Wno-error=invalid-pch switches.
+
+2020-11-11 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/88115
+ * c-opts.c (c_common_post_options): Update latest_abi_version.
+
+2020-11-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/97748
+ * c-common.h (warn_if_unused_value): Add quiet argument defaulted
+ to false.
+ * c-warn.c (warn_if_unused_value): Likewise. Pass it down
+ recursively and just return true instead of warning if it is true.
+ Handle COMPLEX_EXPR.
+
+2020-11-10 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * c-common.h (c_omp_adjust_map_clauses): New declaration.
+ * c-omp.c (struct map_clause): Helper type for c_omp_adjust_map_clauses.
+ (c_omp_adjust_map_clauses): New function.
+
+2020-11-09 Marek Polacek <polacek@redhat.com>
+
+ DR 1914
+ * c-common.c (attribute_fallthrough_p): Tweak the warning
+ message.
+
+2020-11-09 Patrick Palka <ppalka@redhat.com>
+
+ * c-pragma.c (handle_pragma_diagnostic): Split the
+ unknown-option -Wpragmas diagnostic into a warning and a
+ subsequent note containing a spelling suggestion. Avoid
+ computing the suggestion if -Wpragmas warnings are being
+ suppressed.
+
+2020-11-09 Patrick Palka <ppalka@redhat.com>
+
+ PR testsuite/97117
+ * c-indentation.c (get_visual_column): Remove location_t
+ parameter. Move the column-tracking diagnostic code from here
+ to ...
+ (should_warn_for_misleading_indentation): ... here, before the
+ early exit for when the loci are not all distinct. Don't pass a
+ location_t argument to get_visual_column.
+ (assert_get_visual_column_succeeds): Don't pass a location_t
+ argument to get_visual_column.
+ (assert_get_visual_column_fails): Likewise.
+
+2020-11-08 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-common.h (OBJC_IS_PATTR_KEYWORD): Add class to the list
+ of keywords accepted in @property attribute contexts.
+ * c-objc.h (enum objc_property_attribute_group): Add
+ OBJC_PROPATTR_GROUP_CLASS.
+ (enum objc_property_attribute_kind): Add
+ OBJC_PROPERTY_ATTR_CLASS.
+
+2020-11-07 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-common.c (c_common_reswords): Add 'atomic' property
+ attribute.
+ * c-common.h (enum rid): Add RID_PROPATOMIC for atomic
+ property attributes.
+
+2020-11-07 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-attribs.c (handle_nsobject_attribute): New.
+ * c.opt: Add WNSObject-attribute.
+
2020-11-06 Iain Sandoe <iain@sandoe.co.uk>
* c-objc.h (enum objc_property_attribute_group): New
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