[Bug fortran/63514] functions containing volatile are considered pure

[sgk at troutmask dot apl.washington.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63514

--- Comment #5 from Steve Kargl <sgk at troutmask dot apl.washington.edu> ---
On Fri, Jun 08, 2018 at 03:40:40AM +0000, kargl at gcc dot gnu.org wrote:
> There is, however, a bug with respect to F2018:
> 
> C1588 A local variable of a pure subprogram, or of a BLOCK construct
> within a pure subprogram, shall not have the SAVE or VOLATILE attribute.
> 

A patch for the above has been submitted.

https://gcc.gnu.org/ml/gcc-patches/2018-06/msg00492.html