pt.c (tsubst): Use build_index_type to build in-template array index type.

* pt.c (tsubst): Use build_index_type to build in-template array
index type.  Fixes g++.oliva/dwarf1.C.
* decl.c (grokdeclarator): Likewise, just for consistency, as it
doesn't seem to trigger the bug without it.

From-SVN: r28556

gcc/cp/ChangeLog

+1999-08-06  Alexandre Oliva  <oliva@dcc.unicamp.br>
+
+	* pt.c (tsubst): Use build_index_type to build in-template array
+	index type.  Fixes g++.oliva/dwarf1.C.
+	* decl.c (grokdeclarator): Likewise, just for consistency, as it
+	doesn't seem to trigger the bug without it.
+
 1999-08-06  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* typeck2.c (add_exception_specifier): Use complete_type.

gcc/cp/decl.c

@@ -10054,10 +10054,8 @@ grokdeclarator (declarator, declspecs, decl_context, initialized, attrlist)
 			  size = t;
 		      }
 
-		    itype = make_node (INTEGER_TYPE);
-		    TYPE_MIN_VALUE (itype) = size_zero_node;
-		    TYPE_MAX_VALUE (itype) = build_min
-		      (MINUS_EXPR, sizetype, size, integer_one_node);
+		    itype = build_index_type (build_min
+		      (MINUS_EXPR, sizetype, size, integer_one_node));
 		    goto dont_grok_size;
 		  }
 

gcc/cp/pt.c

@@ -6193,11 +6193,8 @@ tsubst (t, args, complain, in_decl)
 	       not PROCESSING_TEMPLATE_DECL.  */
 	    || TREE_CODE (max) != INTEGER_CST)
 	  {
-	    tree itype = make_node (INTEGER_TYPE);
-	    TYPE_MIN_VALUE (itype) = size_zero_node;
-	    TYPE_MAX_VALUE (itype) = build_min (MINUS_EXPR, sizetype, max,
-						integer_one_node);
-	    return itype;
+	    return build_index_type (build_min
+	      (MINUS_EXPR, sizetype, max, integer_one_node));
 	  }
 
 	if (integer_zerop (omax))