https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111781

            Bug ID: 111781
           Summary: Compiler error on valid code
           Product: gcc
           Version: 12.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rasmus.vikhamar-sandberg at uit dot no
  Target Milestone: ---

Created attachment 56092
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56092&action=edit
Minimal fortran program to trigger error message

I have attached a minimal Fortran code example.f90 to trigger the compiler
error.
I ran "gfortran example.f90 -o example.x" and got error message
example.f90:8:31:

    8 |         real, intent(out) :: A(n)
      |                               1
Error: Variable ā€˜nā€™ cannot appear in the expression at (1)


If I replace f(g,A) with f(A,g) it compiles.
I think the code should be valid Fortran code since explicit-shape arrays that
are dummy arguments are allowed to have global variables as bounds.

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