diff options
Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/regress/regress-load-elements.js')
-rw-r--r-- | src/3rdparty/v8/test/mjsunit/regress/regress-load-elements.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/regress/regress-load-elements.js b/src/3rdparty/v8/test/mjsunit/regress/regress-load-elements.js new file mode 100644 index 0000000..68cdc8e --- /dev/null +++ b/src/3rdparty/v8/test/mjsunit/regress/regress-load-elements.js @@ -0,0 +1,49 @@ +// Copyright 2012 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 + +function bad_func(o,a) { + for (var i = 0; i < 1; ++i) { + o.prop = 0; + var x = a[0]; + } +} + +o = new Object(); +a = {}; +a[0] = 1; +bad_func(o, a); + +o = new Object(); +bad_func(o, a); + +// Optimize. Before the fix, the elements-load and subsequent fixed-array-length +// were hoisted above the map check. This is invalid since not all types +// necessarily have elements. +%OptimizeFunctionOnNextCall(bad_func); +bad_func(o, ""); |