[Bug fortran/81039] New: INTERNAL-PROC procedure rejected as EXTERNAL-PROC

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81039

            Bug ID: 81039
           Summary: INTERNAL-PROC procedure rejected as EXTERNAL-PROC
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jvdelisle at gcc dot gnu.org
  Target Milestone: ---

Created attachment 41525
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41525&action=edit
Valid code rejected

$ gfortran -fcoarray=single -c co_reduce_res_im.f90 
co_reduce_res_im.f90:52:2:

   function factorial ( n ) result ( rslt )
  1
Error: INTERNAL-PROC procedure at (1) is already declared as EXTERNAL-PROC
procedure

Attached valid code is rejected. Works with gfortran 6.2.1 and 7.1.1, fails on
trunk 8.0