[Bug fortran/94109] [8/9/10/11 Regression] Memory leak introduced in 8.3.0->8.3.1

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94109

--- Comment #22 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
(In reply to Thomas Koenig from comment #21)

> As for a workaround for memory leaks, you can always add
> 
> if (.not. allocated(a)) deallocate (a)

Of course, that should be

  if (allocated(a)) deallocate(a)

Value propagation and dead code removal are good enough that a sequence
of such statements will be merged into a single one.