diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Frame-eval-19.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Frame-eval-19.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,34 @@
+// Eval-in-frame of optimized frames to break out of an infinite loop.
+
+load(libdir + "jitopts.js");
+
+if (!jitTogglesMatch(Opts_IonEagerNoParallelCompilation))
+  quit(0);
+
+withJitOptions(Opts_IonEagerNoParallelCompilation, function () {
+  var g = newGlobal();
+  var dbg = new Debugger;
+
+  g.eval("" + function f(d) { g(d); });
+  g.eval("" + function g(d) { h(d); });
+  g.eval("" + function h(d) {
+    var i = 0;
+    while (d)
+      interruptIf(d && i++ == 4000);
+  });
+
+  setInterruptCallback(function () {
+    dbg.addDebuggee(g);
+    var frame = dbg.getNewestFrame();
+    if (frame.callee.name != "h" || frame.implementation != "ion")
+      return true;
+    frame.eval("d = false;");
+    return true;
+  });
+
+  g.eval("(" + function () {
+    for (i = 0; i < 5; i++)
+      f(false);
+    f(true);
+  } + ")();");
+});