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-rw-r--r--js/src/tests/test262/language/statements/function/scope-paramsbody-var-open.js35
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diff --git a/js/src/tests/test262/language/statements/function/scope-paramsbody-var-open.js b/js/src/tests/test262/language/statements/function/scope-paramsbody-var-open.js
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+++ b/js/src/tests/test262/language/statements/function/scope-paramsbody-var-open.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+ Creation of new variable environment for the function body (as distinct from
+ that for the function's parameters)
+info: |
+ [...]
+ 26. If hasParameterExpressions is false, then
+ [...]
+ 27. Else,
+ a. NOTE A separate Environment Record is needed to ensure that closures
+ created by expressions in the formal parameter list do not have
+ visibility of declarations in the function body.
+ b. Let varEnv be NewDeclarativeEnvironment(env).
+ c. Let varEnvRec be varEnv's EnvironmentRecord.
+ d. Set the VariableEnvironment of calleeContext to varEnv.
+ e. Let instantiatedVarNames be a new empty List.
+ [...]
+---*/
+
+var x = 'outside';
+var probeParams, probeBody;
+
+function f(_ = probeParams = function() { return x; }) {
+ var x = 'inside';
+ probeBody = function() { return x; };
+}
+f();
+
+assert.sameValue(probeParams(), 'outside');
+assert.sameValue(probeBody(), 'inside');
+
+reportCompare(0, 0);