[Bug c/118765] c23 tag matching broken for multiple redeclarations of typedefs

[uecker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118765

--- Comment #9 from uecker at gcc dot gnu.org ---

Test case:
typedef struct q { int x; } q_t;
struct q { int x; };
typedef struct q { int x; } q_t;