fold-const.c (fold, [...]): Always return tree of proper type.

	* fold-const.c (fold, case CONVERT_EXPR): Always return tree of
	proper type.

From-SVN: r37757

gcc/ChangeLog

+Sun Nov 26 10:02:37 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* fold-const.c (fold, case CONVERT_EXPR): Always return tree of
+	proper type.
+
 2000-11-26  Neil Booth  <neilb@earthling.net>
 
         * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.

gcc/fold-const.c

@@ -5103,7 +5103,7 @@ fold (expr)
 	  if (TYPE_MAIN_VARIANT (inside_type) == TYPE_MAIN_VARIANT (final_type)
 	      && ((inter_int && final_int) || (inter_float && final_float))
 	      && inter_prec >= final_prec)
-	    return TREE_OPERAND (TREE_OPERAND (t, 0), 0);
+	    return convert (final_type, TREE_OPERAND (TREE_OPERAND (t, 0), 0));
 
 	  /* Likewise, if the intermediate and final types are either both
 	     float or both integer, we don't need the middle conversion if