Daily bump.

1 files changed, 41 insertions, 0 deletions

diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 678a3fb..0730393 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,44 @@
+2023-12-21  Martin Uecker  <uecker@tugraz.at>
+
+	* c-decl.cc (c_struct_hasher): Hash stable for struct
+	types.
+	(c_struct_hasher::hash, c_struct_hasher::equal): New
+	functions.
+	(finish_struct): Set TYPE_CANONICAL to first struct in
+	equivalence class.
+	* c-objc-common.cc (c_get_alias_set): Let structs or
+	unions with variable size alias anything.
+	* c-tree.h (comptypes_equiv): New prototype.
+	* c-typeck.cc (comptypes_equiv): New function.
+	(comptypes_internal): Implement equivalence mode.
+	(tagged_types_tu_compatible): Implement equivalence mode.
+
+2023-12-21  Martin Uecker  <uecker@tugraz.at>
+
+	* c-tree.h (c_parser_enum_specifier): Add parameter.
+	* c-decl.cc (start_enum): Allow redefinition.
+	(finish_enum): Diagnose conflicts.
+	(build_enumerator): Set context.
+	(diagnose_mismatched_decls): Diagnose conflicting enumerators.
+	(push_decl): Preserve context for enumerators.
+	* c-typeck.cc (tagged_types_tu_compatible_p): Adapt.
+	* c-parser.cc (c_parser_enum_specifier): Remember when
+	seen is from an enum type which is not yet defined.
+
+2023-12-21  Martin Uecker  <uecker@tugraz.at>
+
+	* c-decl.cc (previous_tag): New function.
+	(parser_xref_tag): Find earlier definition.
+	(get_parm_info): Turn off warning for C23.
+	(start_struct): Allow redefinitons.
+	(finish_struct): Diagnose conflicts.
+	* c-tree.h (comptypes_same_p): Add prototype.
+	* c-typeck.cc (comptypes_same_p): New function.
+	(comptypes_internal): Activate comparison of tagged types.
+	(convert_for_assignment): Ignore qualifiers.
+	(digest_init): Add error.
+	(initialized_elementwise_p): Allow compatible types.
+
 2023-12-20  Jakub Jelinek  <jakub@redhat.com>
 
 	* c-parser.cc (c_parser_postfix_expression_after_primary): Grow