re PR fortran/33162 (INTRINSIC functions as ACTUAL argument)

2007-10-31  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/33162
	* gfortran.dg/interface_19.f90: New.
	* gfortran.dg/interface_20.f90: New.
	* gfortran.dg/interface_21.f90: New.

From-SVN: r129799

gcc/testsuite/ChangeLog

+2007-10-31  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/33162
+	* gfortran.dg/interface_19.f90: New.
+	* gfortran.dg/interface_20.f90: New.
+	* gfortran.dg/interface_21.f90: New.
+	
 2007-10-31  Sebastian Pop  <sebastian.pop@amd.com>
 
 	PR tree-optimization/32377

gcc/testsuite/gfortran.dg/interface_19.f90

+! { dg-do run }
+! PR33162 INTRINSIC functions as ACTUAL argument
+! Test case adapted from PR by Jerry DeLisle <jvdelisle@gcc.gnu.org>
+module m
+implicit none
+contains
+  subroutine sub(a)
+    optional :: a
+    character(25) :: temp
+    interface
+      function a(x)
+        real(kind=8):: a
+        real(kind=8):: x
+        intent(in) :: x
+      end function a
+    end interface
+    if(present(a)) then
+      write(temp,'(f16.10)')a(4.0d0)
+      if (trim(temp) /= '   -0.6536436209') call abort
+    endif
+  end subroutine sub
+end module m
+
+use m
+implicit none
+intrinsic dcos
+call sub()
+call sub(dcos)
+end

gcc/testsuite/gfortran.dg/interface_20.f90

+! { dg-do compile }
+! PR33162 INTRINSIC functions as ACTUAL argument
+! Test case adapted from PR by Jerry DeLisle <jvdelisle@gcc.gnu.org>
+module m
+implicit none
+contains
+  subroutine sub(a)
+    interface
+      function a()
+        real :: a
+      end function a
+    end interface
+    print *, a()
+  end subroutine sub
+end module m
+use m
+implicit none
+intrinsic cos
+call sub(cos) ! { dg-error "Type/rank mismatch in argument" }
+end

gcc/testsuite/gfortran.dg/interface_21.f90

+! { dg-do compile }
+! PR33162 INTRINSIC functions as ACTUAL argument
+! Test case adapted from PR by Jerry DeLisle <jvdelisle@gcc.gnu.org>
+module m
+implicit none
+contains
+  subroutine sub(a)
+    interface
+      function a(x)
+        real :: a, x
+        intent(in) :: x
+      end function a
+    end interface
+    print *, a(4.0)
+  end subroutine sub
+end module m
+
+use m
+implicit none
+EXTERNAL foo  ! implicit interface is undefined
+call sub(foo) ! { dg-error "Type/rank mismatch in argument" }
+end