elements = BuildCheckForCapacityGrow(object, elements, elements_kind,
length, key, is_js_array);
- checked_key = key;
+ if (!key->type().IsSmi()) {
+ checked_key = AddInstruction(new(zone) HCheckSmiOrInt32(key));
+ } else {
+ checked_key = key;
+ }
} else {
checked_key = AddBoundsCheck(
key, length, ALLOW_SMI_KEY, checked_index_representation);
--- /dev/null
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax
+
+// The below test function was generated from part of a WebKit layout
+// test library setup routine: fast/canvas/webgl/resources/pnglib.js
+
+function test(crc32) {
+ for (var i = 0; i < 256; i++) {
+ var c = i;
+ for (var j = 0; j < 8; j++) {
+ if (c & 1) {
+ c = -306674912 ^ ((c >> 1) & 0x7fffffff);
+ } else {
+ c = (c >> 1) & 0x7fffffff;
+ }
+ }
+ crc32[i] = c;
+ }
+}
+
+var a = [0.5];
+for (var i = 0; i < 256; ++i) a[i] = i;
+
+test([0.5]);
+test(a);
+%OptimizeFunctionOnNextCall(test);
+test(a);