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Diffstat (limited to 'deps/v8/test/mjsunit/regress/regress-crbug-323942.js')
-rw-r--r-- | deps/v8/test/mjsunit/regress/regress-crbug-323942.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-323942.js b/deps/v8/test/mjsunit/regress/regress-crbug-323942.js new file mode 100644 index 0000000000..15af494b0f --- /dev/null +++ b/deps/v8/test/mjsunit/regress/regress-crbug-323942.js @@ -0,0 +1,57 @@ +// 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 + +"use strict"; + +// Function is defined on the prototype chain. +var holder = { f: function() { return 42; } }; +var receiver = { }; +receiver.__proto__ = { }; +receiver.__proto__.__proto__ = holder; + +// Inline two levels. +function h(o) { return o.f.apply(this, arguments); } +function g(o) { return h(o); } + +// Collect type information for apply call. +assertEquals(42, g(receiver)); +assertEquals(42, g(receiver)); + +// Sneakily remove the function from the prototype chain. +// The receiver map does not change. +receiver.__proto__.__proto__ = {}; + +// Lookup of o.f during graph creation fails. +%OptimizeFunctionOnNextCall(g); + +assertThrows(function() { g(receiver); }); + +// Put function back. +receiver.__proto__.__proto__ = holder; +assertEquals(42, g(receiver)); |