@@ -2089,7 +2089,11 @@ cp_fold (tree x)
if ((code == COMPOUND_EXPR || code == MODIFY_EXPR)
&& ((op1 && TREE_SIDE_EFFECTS (op1))
|| (op0 && TREE_SIDE_EFFECTS (op0))))
- break;
+ {
+ if (op0 != TREE_OPERAND (x, 0) || op1 != TREE_OPERAND (x, 1))
+ x = build2_loc (loc, code, TREE_TYPE (x), op0, op1);
+ break;
+ }
if (TREE_CODE (x) == COMPOUND_EXPR && !op0)
op0 = build_empty_stmt (loc);
@@ -0,0 +1,10 @@
+// PR c++/69211
+// { dg-do compile }
+
+int a, b;
+
+int
+foo ()
+{
+ return (a & 5UL | (b = 4, 4L)) > 4;
+}