re PR fortran/78659 ([F03] Spurious "requires DTIO" reported against namelist statement)

2016-12-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/78659
	* resolve.c (resolve_fl_namelist): Remove unneeded error.
	PR fortran/78659
	* gfortran.dg/alloc_comp_constraint_1.f90: Update test.
	* gfortran.dg/alloc_comp_constraint_7.f90: New test.
	* gfortran.dg/namelist_34.f90: Update test.
	* gfortran.dg/namelist_63.f90: Update test.

From-SVN: r243308

gcc/fortran/ChangeLog

+2016-12-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/78659
+	* resolve.c (resolve_fl_namelist): Remove unneeded error.
+
 2016-12-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 
 	PR fortran/78226

gcc/fortran/resolve.c

@@ -13900,15 +13900,7 @@ resolve_fl_namelist (gfc_symbol *sym)
 			       "or POINTER components", nl->sym->name,
 			       sym->name, &sym->declared_at))
 	    return false;
-
-	  if (!dtio)
-	    {
-	      gfc_error ("NAMELIST object %qs in namelist %qs at %L has "
-			"ALLOCATABLE or POINTER components and thus requires "
-			"a defined input/output procedure", nl->sym->name,
-			sym->name, &sym->declared_at);
-	      return false;
-	    }
+	  return true;
 	}
     }
 

gcc/testsuite/ChangeLog

+2016-12-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/78659
+	* gfortran.dg/alloc_comp_constraint_1.f90: Update test.
+	* gfortran.dg/alloc_comp_constraint_7.f90: New test.
+	* gfortran.dg/namelist_34.f90: Update test.
+	* gfortran.dg/namelist_63.f90: Update test.
+
 2016-12-06  Robert Suchanek  <robert.suchanek@imgtec.com>
 
 	* gcc.target/mips/msa-builtins-err.c: New test.

gcc/testsuite/gfortran.dg/alloc_comp_constraint_1.f90

 ! { dg-do compile }
-! Check that we don't allow IO or NAMELISTs with types with allocatable
+! { dg-options -std=f2003 }
+! Check that we don't allow IO of NAMELISTs with types with allocatable
 ! components (PR 20541)
 program main
 
@@ -13,8 +14,8 @@ program main
 
     type(foo) :: a
     type(bar) :: b
-    namelist /blah/ a ! { dg-error "has ALLOCATABLE or POINTER components and thus requires a defined input/output" }
-
+    namelist /blah/ a  ! This is allowed under F2003, but not F95
+    ! The following require User Defined Derived Type I/O procedures.
     write (*, *) a  ! { dg-error "cannot have ALLOCATABLE components" }
 
     read (*, *) b  ! { dg-error "cannot have ALLOCATABLE components" }

gcc/testsuite/gfortran.dg/alloc_comp_constraint_7.f90

+! { dg-do compile }
+! { dg-options -std=f95 }
+! Check that we don't allow types with allocatable
+program main
+
+    type :: foo
+        integer :: k
+        integer, allocatable :: x(:) ! { dg-error "Fortran 2003: ALLOCATABLE" }
+    end type foo
+
+    type :: bar
+        type(foo) :: x
+    end type bar
+
+    type(foo) :: a
+    type(bar) :: b
+    namelist /blah/ a
+
+end program main

gcc/testsuite/gfortran.dg/namelist_34.f90

 ! { dg-do compile }
-!
+! { dg-options -std=f95 }
 ! PR fortran/32905 - accepts types with ultimate POINTER components
-!
+! updated for PR78659
 MODULE types
   type :: tp3
     real :: x
@@ -22,7 +22,7 @@ MODULE nml
 USE types
    type(tp1) :: t1
    type(tp3) :: t3
-
-   namelist /a/ t1    ! { dg-error "has ALLOCATABLE or POINTER components and thus requires a defined input/output" }
-   namelist /b/ t3    ! { dg-error "has ALLOCATABLE or POINTER components and thus requires a defined input/output" }
+! The following are allowed under f2003.
+   namelist /a/ t1    ! { dg-error "with ALLOCATABLE or POINTER components" }
+   namelist /b/ t3    ! { dg-error "with ALLOCATABLE or POINTER components" }
 END MODULE

gcc/testsuite/gfortran.dg/namelist_63.f90

 ! { dg-do compile }
-!
-! PR fortran/45530
+! { dg-options -std=f95 }
+! PR fortran/45530, updated for PR78659
 !
 ! Contributed by david.sagan@gmail.com
 !
@@ -24,5 +24,6 @@ type region_struct
 end type
 
 type (c_struct) curve(10)
-namelist / params / curve ! { dg-error "ALLOCATABLE or POINTER components and thus requires a defined input/output" }
+! The following is allowed with f2003.
+namelist / params / curve ! { dg-error "ALLOCATABLE or POINTER components" }
 end program