1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testFunctionStatementAliasLocals.js b/js/src/jit-test/tests/basic/testFunctionStatementAliasLocals.js
new file mode 100644
index 0000000000..be7f528b95
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testFunctionStatementAliasLocals.js
@@ -0,0 +1,18 @@
+function f1(b) {
+    var w = 3;
+    if (b)
+        function w() {}
+    return w;
+}
+assertEq(typeof f1(true), "function");
+assertEq(f1(false), 3);
+
+function f2(b, w) {
+    // Annex B doesn't apply to functions in blocks with the same name as a
+    // parameter.
+    if (b)
+        function w() {}
+    return w;
+}
+assertEq(typeof f2(true, 3), "number");
+assertEq(f2(false, 3), 3);