diff options
Diffstat (limited to 'deps/v8/test/mjsunit/regress/regress-string-from-char-code-tonumber.js')
-rw-r--r-- | deps/v8/test/mjsunit/regress/regress-string-from-char-code-tonumber.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-string-from-char-code-tonumber.js b/deps/v8/test/mjsunit/regress/regress-string-from-char-code-tonumber.js new file mode 100644 index 0000000000..a02a2778b6 --- /dev/null +++ b/deps/v8/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); |