re PR fortran/44718 (Procedure-pointer name is wrongly regarded as "external procedure")

2010-06-29  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/44718
	* resolve.c (is_external_proc): Prevent procedure pointers from being
	regarded as external procedures.

2010-06-29  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/44718
	* gfortran.dg/proc_ptr_28.f90: New.

From-SVN: r161569

gcc/fortran/ChangeLog

 2010-06-29  Janus Weil  <janus@gcc.gnu.org>
 
+	PR fortran/44718
+	* resolve.c (is_external_proc): Prevent procedure pointers from being
+	regarded as external procedures.
+
+2010-06-29  Janus Weil  <janus@gcc.gnu.org>
+
 	PR fortran/44696
 	* trans-intrinsic.c (gfc_conv_associated): Handle polymorphic variables
 	passed as second argument of ASSOCIATED.

gcc/fortran/resolve.c

@@ -2259,6 +2259,7 @@ is_external_proc (gfc_symbol *sym)
 	&& !(sym->attr.intrinsic
 	      || gfc_is_intrinsic (sym, sym->attr.subroutine, sym->declared_at))
 	&& sym->attr.proc != PROC_ST_FUNCTION
+	&& !sym->attr.proc_pointer
 	&& !sym->attr.use_assoc
 	&& sym->name)
     return true;

gcc/testsuite/ChangeLog

+2010-06-29  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/44718
+	* gfortran.dg/proc_ptr_28.f90: New.
+
 2010-06-29  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/43801

gcc/testsuite/gfortran.dg/proc_ptr_28.f90

+! { dg-do compile }
+!
+! PR 44718: Procedure-pointer name is wrongly regarded as "external procedure"
+!
+! Contributed by John McFarland <john.mcfarland@swri.org>
+
+MODULE m
+
+ IMPLICIT NONE
+
+CONTAINS
+
+ FUNCTION func(x) RESULT(y)
+   INTEGER :: x,y
+   y = x *2
+ END FUNCTION func
+
+ SUBROUTINE sub(x)
+   INTEGER :: x
+   PRINT*, x
+ END SUBROUTINE sub
+
+
+ SUBROUTINE use_func()
+   PROCEDURE(func), POINTER :: f
+   INTEGER :: y
+   f => func
+   y = f(2)
+ END SUBROUTINE use_func
+
+ SUBROUTINE use_sub()
+   PROCEDURE(sub), POINTER :: f
+   f => sub
+   CALL f(2)
+ END SUBROUTINE use_sub
+
+END MODULE m 
+
+! { dg-final { cleanup-modules "m" } }