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diff --git a/js/src/tests/test262/language/function-code/eval-param-env-with-computed-key.js b/js/src/tests/test262/language/function-code/eval-param-env-with-computed-key.js
new file mode 100644
index 0000000000..1486e30be1
--- /dev/null
+++ b/js/src/tests/test262/language/function-code/eval-param-env-with-computed-key.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    sloppy direct evals in params introduce vars
+info: |
+    [...]
+    20. Else,
+      a. NOTE: A separate Environment Record is needed to ensure that bindings created by direct eval calls in the formal parameter list are outside the environment where parameters are declared.
+      b. Let calleeEnv be the LexicalEnvironment of calleeContext.
+      c. Let env be NewDeclarativeEnvironment(calleeEnv).
+      d. Let envRec be env's EnvironmentRecord.
+    [...]
+flags: [noStrict]
+---*/
+
+var x = "outer";
+
+function evalInComputedPropertyKey({[eval("var x = 'inner'")]: ignored}) {
+  assert.sameValue(x, "inner");
+}
+evalInComputedPropertyKey({});
+
+reportCompare(0, 0);