Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/statements/for/scope-body-lex-boundary.js b/js/src/tests/test262/language/statements/for/scope-body-lex-boundary.js
new file mode 100644
index 0000000000..6b777f1838
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for/scope-body-lex-boundary.js
@@ -0,0 +1,45 @@
+// 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-for-statement-runtime-semantics-labelledevaluation
+description: >
+    Creation of new lexical environment for each evaluation of the statement
+    body
+info: |
+    [...]
+    11. Let bodyResult be ForBodyEvaluation(the first Expression, the second
+        Expression, Statement, perIterationLets, labelSet).
+    [...]
+
+    13.7.4.8 Runtime Semantics: ForBodyEvaluation
+
+    [...]
+    3. Repeat
+       [...]
+       b. Let result be the result of evaluating stmt.
+       [...]
+       e. Perform ? CreatePerIterationEnvironment(perIterationBindings).
+       [...]
+
+    13.7.4.9 Runtime Semantics: CreatePerIterationEnvironment
+
+    1. If perIterationBindings has any elements, then
+       [...]
+       e. Let thisIterationEnv be NewDeclarativeEnvironment(outer).
+       f. Let thisIterationEnvRec be thisIterationEnv's EnvironmentRecord.
+features: [let]
+---*/
+
+var probeFirst;
+var probeSecond = null;
+
+for (let x = 'first'; probeSecond === null; x = 'second')
+  if (!probeFirst)
+    probeFirst = function() { return x; };
+  else
+    probeSecond = function() { return x; };
+
+assert.sameValue(probeFirst(), 'first');
+assert.sameValue(probeSecond(), 'second');
+
+reportCompare(0, 0);