trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs that are indirect references; ie.

2019-01-15  Paul Thomas  <pault@gcc.gnu.org>

	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs
	that are indirect references; ie. dummy arguments.

2019-01-15  Paul Thomas  <pault@gcc.gnu.org>

	* gfortran.dg/ISO_Fortran_binding_2.c : Change reference to
	ISO_Fortran_binding_2.h.

From-SVN: r267946

gcc/fortran/ChangeLog

+2019-01-15  Paul Thomas  <pault@gcc.gnu.org>
+
+	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs
+	that are indirect references; ie. dummy arguments.
+
 2019-01-13  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 
 	PR fortran/88803

gcc/fortran/trans-expr.c

@@ -4919,6 +4919,10 @@ gfc_conv_gfc_desc_to_cfi_desc (gfc_se *parmse, gfc_expr *e, gfc_symbol *fsym)
     {
       gfc_conv_expr_descriptor (parmse, e);
 
+      if (POINTER_TYPE_P (TREE_TYPE (parmse->expr)))
+	parmse->expr = build_fold_indirect_ref_loc (input_location,
+						    parmse->expr);
+
       /* All the temporary descriptors are marked as DECL_ARTIFICIAL. If
 	 the expression type is different from the descriptor type, then
 	 the offset must be found (eg. to a component ref or substring)
@@ -4949,6 +4953,11 @@ gfc_conv_gfc_desc_to_cfi_desc (gfc_se *parmse, gfc_expr *e, gfc_symbol *fsym)
   else
     {
       gfc_conv_expr (parmse, e);
+
+      if (POINTER_TYPE_P (TREE_TYPE (parmse->expr)))
+	parmse->expr = build_fold_indirect_ref_loc (input_location,
+						    parmse->expr);
+
       /* Copy the scalar for INTENT_IN.  */
       if (e->expr_type == EXPR_VARIABLE && fsym->attr.intent == INTENT_IN)
 	parmse->expr = gfc_evaluate_now (parmse->expr, &parmse->pre);
@@ -5875,7 +5884,7 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym,
 	     array-descriptor actual to array-descriptor dummy, see
 	     PR 41911 for why a check has to be inserted.
 	     fsym == NULL is checked as intrinsics required the descriptor
-	     but do not always set fsym.  
+	     but do not always set fsym.
 	     Also, it is necessary to pass a NULL pointer to library routines
 	     which usually ignore optional arguments, so they can handle
 	     these themselves.  */

gcc/testsuite/ChangeLog

+2019-01-15  Paul Thomas  <pault@gcc.gnu.org>
+
+	* gfortran.dg/ISO_Fortran_binding_2.c : Change reference to
+	ISO_Fortran_binding_2.h.
+
 2019-01-15  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/88866

gcc/testsuite/gfortran.dg/ISO_Fortran_binding_1.c

 /* Test F2008 18.5: ISO_Fortran_binding.h functions.  */
 
-#include <ISO_Fortran_binding.h>
+#include "../../../libgfortran/ISO_Fortran_binding.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <complex.h>