1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/char_result_7.f90 b/gcc/testsuite/gfortran.dg/char_result_7.f90
new file mode 100644
index 000000000..7b8692f40
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/char_result_7.f90
@@ -0,0 +1,47 @@
+! Related to PR 15326.  Try calling string functions whose lengths depend
+! on a dummy procedure.
+! { dg-do run }
+integer pure function double (x)
+  integer, intent (in) :: x
+  double = x * 2
+end function double
+
+program main
+  implicit none
+
+  interface
+    integer pure function double (x)
+      integer, intent (in) :: x
+    end function double
+  end interface
+
+  call test (f1 (double, 100), 200)
+
+  call indirect (double)
+contains
+  function f1 (fn, i)
+    integer :: i
+    interface
+      integer pure function fn (x)
+        integer, intent (in) :: x
+      end function fn
+    end interface
+    character (len = fn (i)) :: f1
+    f1 = ''
+  end function f1
+
+  subroutine indirect (fn)
+    interface
+      integer pure function fn (x)
+        integer, intent (in) :: x
+      end function fn
+    end interface
+    call test (f1 (fn, 100), 200)
+  end subroutine indirect
+
+  subroutine test (string, length)
+    character (len = *) :: string
+    integer, intent (in) :: length
+    if (len (string) .ne. length) call abort
+  end subroutine test
+end program main