Fix argument expectation Runtime_StringParseInt.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/230693002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20614 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yangguo@chromium.org 2014-04-09 12:33:51 +00:00
parent 936a77087b
commit 4df132a878
2 changed files with 19 additions and 1 deletions

View File

@ -6312,7 +6312,7 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_StringParseInt) {
SealHandleScope shs(isolate);
CONVERT_ARG_CHECKED(String, s, 0);
CONVERT_SMI_ARG_CHECKED(radix, 1);
CONVERT_NUMBER_CHECKED(int, radix, Int32, args[1]);
s->TryFlatten();

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@ -0,0 +1,18 @@
// Copyright 2014 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
function f(string, radix) {
// Use a phi to force radix into heap number representation.
radix = (radix == 0) ? radix : (radix >> 0);
if (radix != 2) return NaN;
return %StringParseInt(string, radix);
}
assertEquals(2, (-4294967294) >> 0);
assertEquals(3, f("11", -4294967294));
assertEquals(NaN, f("11", -2147483650));
%OptimizeFunctionOnNextCall(f);
assertEquals(3, f("11", -4294967294));