Make near-jump check more strict in LoadNamedFieldPolymorphic on ia32/x64

test/mjsunit/regress/regress-crbug-134055.js

Index: test/mjsunit/regress/regress-crbug-134055.js
diff --git a/test/mjsunit/compiler/optimized-closures.js b/test/mjsunit/regress/regress-crbug-134055.js
similarity index 72%
copy from test/mjsunit/compiler/optimized-closures.js
copy to test/mjsunit/regress/regress-crbug-134055.js
index eaf75f8d00ccd9123ed0f5232a91137845fc3973..9b658fb6f650f04520001f61f8e34d0202c5fb7d 100644
--- a/test/mjsunit/compiler/optimized-closures.js
+++ b/test/mjsunit/regress/regress-crbug-134055.js
@@ -27,31 +27,37 @@
 
 // Flags: --allow-natives-syntax
 
-// Test optimized closures.
-
-var a = new Array(100);
+function crash(obj) {
+  return obj.foo;
+}
 
-function f() {
-  var x=0;
-  for (var i=0; i<100; i++) {
-    var g = function goo(y) {
-      function h() {
-        if (goo.arguments[0] == 23) return -42;
-        return 42;
-      }
-      return x + y + h(y);
-    }
-    g(0);
-    %OptimizeFunctionOnNextCall(g);
-    a[i] = g(i);
+function base(number_of_properties) {
+  var result = new Array();
+  for (var i = 0; i < number_of_properties; i++) {
+    result["property" + i] = "value" + i;
   }
+  result.foo = number_of_properties;
+  return result;
 }
 
-f();
-assertEquals(42, a[0]);
-assertEquals(49, a[7]);
-assertEquals(-19, a[23]);
-
-
-
-
+var a = base(12);
+var b = base(13);
+var c = base(14);
+var d = base(15);
+
+crash(a);  // Premonomorphic.
+crash(a);
+crash(b);
+crash(c);
+crash(d);  // Polymorphic, degree 4.
+
+//Prepare ElementsKind transition map chain.
+var x = base(13);
+x[0] = "object";
+x = base(14);
+x[0] = "object";
+x = base(15);
+x[0] = "object";
+
+%OptimizeFunctionOnNextCall(crash);
+crash(a);