Merge V8 5.3.332.45. DO NOT MERGE
Test: Manual
FPIIM-449
Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/test/mjsunit/compiler/regress-5100.js b/test/mjsunit/compiler/regress-5100.js
new file mode 100644
index 0000000..694cd8a
--- /dev/null
+++ b/test/mjsunit/compiler/regress-5100.js
@@ -0,0 +1,51 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+var a = [0, 1];
+a["true"] = "true";
+a["false"] = "false";
+a["null"] = "null";
+a["undefined"] = "undefined";
+
+// Ensure we don't accidentially truncate true when used to index arrays.
+(function() {
+ function f(x) { return a[x]; }
+
+ assertEquals(0, f(0));
+ assertEquals(0, f(0));
+ %OptimizeFunctionOnNextCall(f);
+ assertEquals("true", f(true));
+})();
+
+// Ensure we don't accidentially truncate false when used to index arrays.
+(function() {
+ function f( x) { return a[x]; }
+
+ assertEquals(0, f(0));
+ assertEquals(0, f(0));
+ %OptimizeFunctionOnNextCall(f);
+ assertEquals("false", f(false));
+})();
+
+// Ensure we don't accidentially truncate null when used to index arrays.
+(function() {
+ function f( x) { return a[x]; }
+
+ assertEquals(0, f(0));
+ assertEquals(0, f(0));
+ %OptimizeFunctionOnNextCall(f);
+ assertEquals("null", f(null));
+})();
+
+// Ensure we don't accidentially truncate undefined when used to index arrays.
+(function() {
+ function f( x) { return a[x]; }
+
+ assertEquals(0, f(0));
+ assertEquals(0, f(0));
+ %OptimizeFunctionOnNextCall(f);
+ assertEquals("undefined", f(undefined));
+})();