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/regress/regress-string-from-char-code-tonumber.js b/test/mjsunit/regress/regress-string-from-char-code-tonumber.js
new file mode 100644
index 0000000..a02a277
--- /dev/null
+++ b/test/mjsunit/regress/regress-string-from-char-code-tonumber.js
@@ -0,0 +1,26 @@
+// 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 thrower = { [Symbol.toPrimitive]: function() { FAIL } };
+
+function testTrace(func) {
+ try {
+ func(thrower);
+ assertUnreachable();
+ } catch (e) {
+ assertTrue(e.stack.indexOf("fromCharCode") >= 0);
+ }
+}
+
+testTrace(String.fromCharCode);
+
+function foo(x) { return String.fromCharCode(x); }
+
+foo(1);
+foo(2);
+testTrace(foo);
+%OptimizeFunctionOnNextCall(foo);
+testTrace(foo);