[Bug fortran/91310] Read overflow generated by character array assignment to self

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91310

Thomas Koenig <tkoenig at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #7 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
OK, so finally:

If len + 3 > 512, _then_ the test case is invalid.

It would be nice to add bounds checking for that case, but
that's another kettle if fish.