re PR tree-optimization/36245 (internal compiler error: in build2_stat, at tree.c:3116)

2008-05-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36245
	* tree-ssa-address.c (add_to_parts): Deal with non-pointer
	bases.

	* gcc.c-torture/compile/pr36245.c: New testcase.

From-SVN: r136029

gcc/ChangeLog

+2008-05-27  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/36245
+	* tree-ssa-address.c (add_to_parts): Deal with non-pointer
+	bases.
+
 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
 
 	* config/s390/s390.md: Replace all occurences of the 'm'

gcc/tree-ssa-address.c

@@ -423,9 +423,13 @@ add_to_parts (struct mem_address *parts, tree elt)
 
   /* Add ELT to base.  */
   type = TREE_TYPE (parts->base);
-  parts->base = fold_build2 (POINTER_PLUS_EXPR, type,
-			     parts->base,
-			     fold_convert (sizetype, elt));
+  if (POINTER_TYPE_P (type))
+    parts->base = fold_build2 (POINTER_PLUS_EXPR, type,
+			       parts->base,
+			       fold_convert (sizetype, elt));
+  else
+    parts->base = fold_build2 (PLUS_EXPR, type,
+			       parts->base, elt);
 }
 
 /* Finds the most expensive multiplication in ADDR that can be