===================================================================
@@ -2104,7 +2104,11 @@ capture_info::walk_match (operand *o, un
if (c->what
&& (e = dyn_cast <expr *> (c->what)))
{
- info[where].expr_p = true;
+ /* Zero-operand expression captures like ADDR_EXPR@0 are
+ similar as predicates -- if they are not mentioned in
+ the result we have to force them to have no side-effects. */
+ if (e->ops.length () != 0)
+ info[where].expr_p = true;
info[where].force_single_use |= e->force_single_use;
}
}
===================================================================
@@ -0,0 +1,16 @@
+/* { dg-do run } */
+
+extern void exit(int);
+extern void abort(void);
+int a[10];
+int foo()
+{
+ exit (0);
+ return 0;
+}
+int main()
+{
+ if (&a[foo()])
+ abort ();
+ return 0;
+}