Do not generate warnings for implicit declarations in record_entity().

diff --git a/parser.c b/parser.c
index 8edfee5..d9397d9 100644 (file)
--- a/parser.c
+++ b/parser.c
@@ -4153,8 +4153,9 @@ entity_t *record_entity(entity_t *entity, const bool is_definition)
 
                assert(is_type_function(type));
                if (type->function.unspecified_parameters &&
-                               warning.strict_prototypes &&
-                               previous_entity == NULL) {
+                               warning.strict_prototypes             &&
+                   previous_entity == NULL               &&
+                   !entity->declaration.implicit) {
                        warningf(pos, "function declaration '%#N' is not a prototype", entity);
                }
 
@@ -4164,10 +4165,11 @@ entity_t *record_entity(entity_t *entity, const bool is_definition)
                }
        }
 
-       if (is_declaration(entity) &&
-                       warning.nested_externs &&
-                       entity->declaration.storage_class == STORAGE_CLASS_EXTERN &&
-                       current_scope != file_scope) {
+       if (is_declaration(entity)                                    &&
+           warning.nested_externs                                    &&
+           entity->declaration.storage_class == STORAGE_CLASS_EXTERN &&
+           current_scope != file_scope                               &&
+           !entity->declaration.implicit) {
                warningf(pos, "nested extern declaration of '%#N'", entity);
        }
 
@@ -6140,12 +6142,8 @@ static entity_t *create_implicit_function(symbol_t *symbol,
        entity->declaration.implicit               = true;
        entity->base.source_position               = *source_position;
 
-       if (current_scope != NULL) {
-               bool strict_prototypes_old = warning.strict_prototypes;
-               warning.strict_prototypes  = false;
+       if (current_scope != NULL)
                record_entity(entity, false);
-               warning.strict_prototypes = strict_prototypes_old;
-       }
 
        return entity;
 }