[ignition] Fix building lookup graph when search depth is 0

test/mjsunit/regress/regress-crbug-652186-local.js

Index: test/mjsunit/regress/regress-crbug-652186-local.js
diff --git a/test/mjsunit/compiler/regress-463056.js b/test/mjsunit/regress/regress-crbug-652186-local.js
similarity index 71%
copy from test/mjsunit/compiler/regress-463056.js
copy to test/mjsunit/regress/regress-crbug-652186-local.js
index fb871618e42c9387d38a445522bfd01cfbbe9bfa..39f283432d09dc78a88c3fe805dee3f2d637a33c 100644
--- a/test/mjsunit/compiler/regress-463056.js
+++ b/test/mjsunit/regress/regress-crbug-652186-local.js
@@ -2,8 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// Flags: --always-opt
+
 function f() {
- return ((0%0)&1) + (1>>>(0%0));
+  var x = 1;
+  return eval("eval('var x = 2'); x;");
 }
-
 f();