[Bug fortran/84155] New: [8.0 Regression] program hangs on valid code

[juergen.reuter at desy dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84155

            Bug ID: 84155
           Summary: [8.0 Regression] program hangs on valid code
           Product: gcc
           Version: 8.0.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: juergen.reuter at desy dot de
  Target Milestone: ---

The following file compiles and hangs, unless the other line is commented out. 
Probably a duplicate of #84141, it is a second example from our code. 
When uncommenting the line in the code, the program prints as expected:
  1
  2