[turbofan] Deopt support for escape analysis

test/mjsunit/compiler/escape-analysis-deopt-4.js

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+// Flags: --allow-natives-syntax --turbo-escape
 
-(function(){
+// Test deoptimization with captured objects in local variables.
+(function testDeoptLocal() {
   "use strict";
-  var list = Object.freeze([1, 2, 3]);
-  assertThrows(function() { list.unshift(4); }, TypeError);
-  assertThrows(function() { list.shift(); }, TypeError);
+  function constructor1() {
+    this.x=1;
+    this.y=2;
+    this.z=3;
+  }
+  function constructor2(x) {
+    this.a=x;
+    this.b=4;
+  }
+  function func() {
+    var o1 = new constructor1();
+    var o2 = new constructor2(o1);
+    o1.x = o1;
+    %DeoptimizeNow();
+    assertEquals(o1, o1.x);
+    assertEquals(2, o1.y);
+    assertEquals(3, o1.z);
+    assertEquals(o1, o2.a);
+    assertEquals(4, o2.b);
+  }
+  func();
+  func();
+  %OptimizeFunctionOnNextCall(func);
+  func();
 })();