diff --git a/gcc/asan.c b/gcc/asan.c
index 639dd9f..42f1abe 100644
--- a/gcc/asan.c
+++ b/gcc/asan.c
@@ -928,7 +928,8 @@ instrument_mem_region_access (tree base, tree len,
 
   /* _2 = _1 + offset;  */
   region_end =
-    gimple_build_assign_with_ops (POINTER_PLUS_EXPR,
+    gimple_build_assign_with_ops (POINTER_TYPE_P (TREE_TYPE (base))
+				  ? POINTER_PLUS_EXPR : PLUS_EXPR,
 				  make_ssa_name (TREE_TYPE (base), NULL),
 				  gimple_assign_lhs (region_end), 
 				  gimple_assign_lhs (offset));