1 files changed, 67 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/propertyOptimize-3.js b/js/src/jit-test/tests/jaeger/propertyOptimize-3.js
new file mode 100644
index 0000000000..90327e47a3
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/propertyOptimize-3.js
@@ -0,0 +1,67 @@
+
+// Properties cleared in the middle of a single function constructor.
+
+function foo(x, y) {
+  this.f = 0;
+  this.g = x + y;
+  this.h = 2;
+}
+
+var called = false;
+var a = 0;
+var b = {valueOf: function() { Object.defineProperty(Object.prototype, 'g', {set: function() { called = true }}) }};
+var c = new foo(a, b);
+
+assertEq(called, true);
+assertEq(c.g, undefined);
+
+// Properties cleared in the middle of a constructor callee.
+
+function foo2(x, y) {
+  this.a = 0;
+  this.b = 1;
+  bar2.call(this, x, y);
+  this.c = 2;
+}
+function bar2(x, y) {
+  this.d = x + y;
+  this.e = 3;
+}
+
+var called2 = false;
+var xa = 0;
+var xb = {valueOf: function() { Object.defineProperty(Object.prototype, 'e', {set: function() { called2 = true }}) }};
+var xc = new foo2(xa, xb);
+
+assertEq(called2, true);
+assertEq(xc.e, undefined);
+assertEq(xc.c, 2);
+
+// Properties cleared after a constructor callee.
+
+function foo3() {
+  this.aa = 0;
+  this.bb = 1;
+  bar3.call(this);
+  this.cc = 2;
+  baz();
+  xbar3.call(this);
+  this.dd = 3;
+}
+function bar3() {
+  this.ee = 4;
+}
+function xbar3() {
+  this.ff = 5;
+}
+function baz() {
+  eval("xbar3.call = function() { called3 = true }");
+}
+
+var called3 = false;
+var c3 = new foo3();
+assertEq(c3.cc, 2);
+assertEq(c3.ee, 4);
+assertEq(c3.ff, undefined);
+assertEq(c3.dd, 3);
+assertEq(called3, true);