https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100939
--- Comment #1 from johnfbennett at protonmail dot com ---
G++ does have a good warning for this scenario:
$ g++ -Wall misplacedattribute.c
misplacedattribute.c: In function ‘int main()’:
misplacedattribute.c:7:37: warning: attributes ignored on
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100939
Bug ID: 100939
Summary: Missing warning with misplaced attribute declaration
in struct, enum, or union definition
Product: gcc
Version: 11.1.0
Status: UNCONFIRMED