diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/breakpoint-gc-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/breakpoint-gc-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+// Handlers for breakpoints in an eval script are live as long as the script is on the stack.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var log = '';
+dbg.onDebuggerStatement = function (frame) {
+    function handler(i) {
+        return {hit: function () { log += '' + i; }};
+    }
+
+    var s = frame.script;
+    var offs = s.getLineOffsets(g.line0 + 2);
+    for (var i = 0; i < 7; i++) {
+        var h = handler(i);
+        for (var j = 0; j < offs.length; j++)
+            s.setBreakpoint(offs[j], h);
+    }
+    gc();
+};
+
+
+g.eval("var line0 = Error().lineNumber;\n" +
+       "debugger;\n" +  // line0 + 1
+       "x = 1;\n");     // line0 + 2
+assertEq(log, '0123456');