1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-eval-24.js b/js/src/jit-test/tests/debug/Frame-eval-24.js
new file mode 100644
index 0000000000..e3a9096d10
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-eval-24.js
@@ -0,0 +1,25 @@
+// Make sure the getVariable/setVariable/eval functions work correctly with
+// unaliased locals.
+var g = newGlobal({newCompartment: true});
+g.eval(`
+function g() { debugger; };
+function f(arg) {
+    var y = arg - 3;
+    var a1 = 1;
+    var a2 = 1;
+    var b = arg + 9;
+    var z = function() { return a1 + a2; };
+    g();
+    return y * b; // To prevent the JIT from optimizing out y and b.
+};`);
+
+var dbg = new Debugger(g);
+
+dbg.onDebuggerStatement = function handleDebugger(frame) {
+    assertEq(frame.older.eval("y + b").return, 26);
+    assertEq(frame.older.environment.getVariable("y"), 7);
+    frame.older.environment.setVariable("b", 4);
+    assertEq(frame.older.eval("y + b").return, 11);
+};
+
+g.f(10);