[Bug c/123717] invalid old style function declaration for nested function with VLA in struct as function argument in argument

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123717

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|ICE “t from __declspec      |invalid old style function
                   |referenced in main” caused  |declaration for nested
                   |by malformed storage-class  |function with VLA in struct
                   |/ __declspec usage leaking  |as function argument in
                   |into later declarations.    |argument

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced testcase:
```
a() {
  void b() c d;
  struct {
    int e[d]
  };
```