1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug1315943.js b/js/src/jit-test/tests/auto-regress/bug1315943.js
new file mode 100644
index 0000000000..9aabb6f198
--- /dev/null
+++ b/js/src/jit-test/tests/auto-regress/bug1315943.js
@@ -0,0 +1,11 @@
+var s = "{}";
+for (var i = 0; i < 21; i++) s += s;
+var g = newGlobal({newCompartment: true});
+var dbg = Debugger(g);
+dbg.onDebuggerStatement = function(frame) {
+    var s = frame.eval("f").return.script;
+};
+g.eval("line0 = Error().lineNumber;\n" + "debugger;\n" + // line0 + 1
+    "function f(i) {\n" + // line0 + 2
+    s + // line0 + 3 ... line0 + where - 2
+    "}\n");