1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/breakpoint-gc-04.js b/js/src/jit-test/tests/debug/breakpoint-gc-04.js
new file mode 100644
index 000000000..121bc656a
--- /dev/null
+++ b/js/src/jit-test/tests/debug/breakpoint-gc-04.js
@@ -0,0 +1,23 @@
+// Enabled debuggers keep breakpoint handlers alive.
+
+var g = newGlobal();
+g.eval("var line0 = Error().lineNumber;\n" +
+       "function f() {\n" +     // line0 + 1
+       "    return 2;\n" +      // line0 + 2
+       "}\n");
+var N = 4;
+var hits = 0;
+for (var i = 0; i < N; i++) {
+    var dbg = Debugger(g);
+    dbg.onDebuggerStatement = function (frame) {
+        var handler = {hit: function () { hits++; }};
+        var s = frame.eval("f").return.script;
+        var offs = s.getLineOffsets(g.line0 + 2);
+        for (var j = 0; j < offs.length; j++)
+            s.setBreakpoint(offs[j], handler);
+    };
+}
+g.eval('debugger;');
+gc({});
+assertEq(g.f(), 2);
+assertEq(hits, N);