1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug911065.js b/js/src/jit-test/tests/debug/bug911065.js
new file mode 100644
index 0000000000..bec87b9344
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug911065.js
@@ -0,0 +1,34 @@
+var g = newGlobal({newCompartment: true});
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+
+g.eval(`                        //  1
+var line0 = Error().lineNumber; //  2
+function f() {                  //  3
+    for (var x of [0]) {        //  4
+        if (true == false)      //  5
+            return false;       //  6, aka line0 + 4
+    }                           //  7
+    return true;                //  8
+}                               //  9
+`);                             // 10
+
+if (g.dis)
+  g.dis(g.f);
+
+var script = gw.getOwnPropertyDescriptor("f").value.script;
+
+print("Debugger's view:");
+print("----------------");
+for (var i = script.startLine; i <= script.startLine + script.lineCount; i++) {
+  print("Line " + i + ": " + JSON.stringify(script.getLineOffsets(i)));
+}
+
+var hits = 0;
+var handler = {hit: function () { hits++; }};
+var offs = script.getLineOffsets(g.line0 + 4);
+for (var i = 0; i < offs.length; i++)
+    script.setBreakpoint(offs[i], handler);
+
+assertEq(g.f(), true);
+assertEq(hits, 0);