Fix regressions triggered by map invalidation during graph creation.

test/mjsunit/regress/regress-map-invalidation-2.js

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 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --allow-natives-syntax
 
-function foo(x) {
-  var a = [1, 2, 3, 4, 5, 6, 7, 8];
-  a[x + 5];
-  var result;
-  for (var i = 0; i < 3; i++) {
-    result = a[0 - x];
+var c = { x: 2, y: 1 };
+
+function g() {
+  var outer = { foo: 1 };
+  function f() {
+    var n = outer.foo;
+    for (var i = 0; i < 100000; i++) {
+      n += c.x + outer.foo;
+    }
+    var o2 = [{ x: 1.5, y: 1 }];
+    return o2;
   }
-  return result;
+  return f;
 }
 
-foo(0);
-foo(0);
-%OptimizeFunctionOnNextCall(foo);
-var r = foo(-2);
-assertEquals(3, r);
+var fun = g();
+fun();
+assertOptimized(fun);
+fun();
+