diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Object-evalInGlobal-04.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Object-evalInGlobal-04.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,55 @@
+// Debugger.Object.prototype.evalInGlobal: nested evals
+
+var g = newGlobal();
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+
+assertEq(gw.evalInGlobal("eval('\"Awake\"');").return, "Awake");
+
+// Evaluating non-strict-mode code uses the given global as its variable
+// environment.
+g.x = "Swing Lo Magellan";
+g.y = "The Milk-Eyed Mender";
+assertEq(gw.evalInGlobal("eval('var x = \"A Brief History of Love\"');\n"
+                         + "var y = 'Merriweather Post Pavilion';"
+                         + "x;").return,
+         "A Brief History of Love");
+assertEq(g.x, "A Brief History of Love");
+assertEq(g.y, "Merriweather Post Pavilion");
+
+// As above, but notice that we still create bindings on the global, even
+// when we've interposed a new environment via 'withBindings'.
+g.x = "Swing Lo Magellan";
+g.y = "The Milk-Eyed Mender";
+assertEq(gw.evalInGlobalWithBindings("eval('var x = d1;'); var y = d2; x;",
+                                     { d1: "A Brief History of Love",
+                                       d2: "Merriweather Post Pavilion" }).return,
+         "A Brief History of Love");
+assertEq(g.x, "A Brief History of Love");
+assertEq(g.y, "Merriweather Post Pavilion");
+
+
+// Strict mode code variants of the above:
+
+// Evaluating strict-mode code uses a fresh call object as its variable environment.
+// Also, calls to eval from strict-mode code run the eval code in a fresh
+// call object.
+g.x = "Swing Lo Magellan";
+g.y = "The Milk-Eyed Mender";
+assertEq(gw.evalInGlobal("\'use strict\';\n"
+                         + "eval('var x = \"A Brief History of Love\"');\n"
+                         + "var y = \"Merriweather Post Pavilion\";"
+                         + "x;").return,
+         "Swing Lo Magellan");
+assertEq(g.x, "Swing Lo Magellan");
+assertEq(g.y, "The Milk-Eyed Mender");
+
+// Introducing a bindings object shouldn't change this behavior.
+g.x = "Swing Lo Magellan";
+g.y = "The Milk-Eyed Mender";
+assertEq(gw.evalInGlobalWithBindings("'use strict'; eval('var x = d1;'); var y = d2; x;",
+                                     { d1: "A Brief History of Love",
+                                       d2: "Merriweather Post Pavilion" }).return,
+         "Swing Lo Magellan");
+assertEq(g.x, "Swing Lo Magellan");
+assertEq(g.y, "The Milk-Eyed Mender");