1 files changed, 73 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/proc_ptr_comp_23.f90 b/gcc/testsuite/gfortran.dg/proc_ptr_comp_23.f90
new file mode 100644
index 000000000..8b1c6912d
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+++ b/gcc/testsuite/gfortran.dg/proc_ptr_comp_23.f90
@@ -0,0 +1,73 @@
+! { dg-do run }
+! Tests the fix for PR42104 in which the call to the procedure pointer
+! component caused an ICE because the "always_implicit flag was not used
+! to force the passing of a descriptor for the array argument.
+!
+! Contributed by Martien Hulsen <m.a.hulsen@tue.nl>
+!
+module poisson_functions_m
+
+  implicit none
+
+contains
+ 
+  function func ( nr, x )
+    integer, intent(in) :: nr
+    real, intent(in), dimension(:) :: x
+    real :: func
+
+    real :: pi 
+
+    pi = 4 * atan(1.)
+
+    select case(nr)
+      case(1)
+        func = 0
+      case(2)
+        func = 1
+      case(3)
+        func = 1 + cos(pi*x(1))*cos(pi*x(2))
+      case default
+        write(*,'(/a,i0/)') 'Error func: wrong function number: ', nr
+        stop
+    end select
+
+  end function func 
+
+end module poisson_functions_m
+ 
+module element_defs_m
+
+  implicit none
+
+  abstract interface 
+    function dummyfunc ( nr, x )
+      integer, intent(in) :: nr
+      real, intent(in), dimension(:) :: x
+      real :: dummyfunc
+    end function dummyfunc
+  end interface 
+
+  type function_p
+    procedure(dummyfunc), nopass, pointer :: p => null()
+  end type function_p
+
+end module element_defs_m
+
+program t
+
+use poisson_functions_m
+use element_defs_m
+
+procedure(dummyfunc), pointer :: p => null()
+type(function_p) :: funcp
+
+p => func
+funcp%p => func
+
+print *, func(nr=3,x=(/0.1,0.1/))
+print *, p(nr=3,x=(/0.1,0.1/))
+print *, funcp%p(nr=3,x=(/0.1,0.1/))
+
+end program t
+! { dg-final { cleanup-modules "poisson_functions_m element_defs_m" } }