1 files changed, 46 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/call/tco-non-eval-global.js b/js/src/tests/test262/language/expressions/call/tco-non-eval-global.js
new file mode 100644
index 0000000000..9587c817b9
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/call/tco-non-eval-global.js
@@ -0,0 +1,46 @@
+// |reftest| skip -- tail-call-optimization is not supported
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function-calls-runtime-semantics-evaluation
+description: >
+  Tail-call with identifier named "eval" in global environment.
+info: |
+  12.3.4.1 Runtime Semantics: Evaluation
+    ...
+    6. If Type(ref) is Reference and IsPropertyReference(ref) is false and
+       GetReferencedName(ref) is "eval", then
+      a. If SameValue(func, %eval%) is true, then
+        ...
+    ...
+    9. Return ? EvaluateCall(func, ref, arguments, tailCall).
+
+  12.3.4.2 Runtime Semantics: EvaluateCall( func, ref, arguments, tailPosition )
+    ...
+    7. If tailPosition is true, perform PrepareForTailCall().
+    8. Let result be Call(func, thisValue, argList).
+    ...
+
+flags: [noStrict]
+features: [tail-call-optimization]
+includes: [tcoHelper.js]
+---*/
+
+var callCount = 0;
+
+function f(n) {
+  "use strict";
+  if (n === 0) {
+    callCount += 1
+    return;
+  }
+  return eval(n - 1);
+}
+eval = f;
+
+f($MAX_ITERATIONS);
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);