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Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/regress/regress-crbug-125148.js')
-rw-r--r-- | src/3rdparty/v8/test/mjsunit/regress/regress-crbug-125148.js | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/regress/regress-crbug-125148.js b/src/3rdparty/v8/test/mjsunit/regress/regress-crbug-125148.js new file mode 100644 index 0000000..0f7bcd8 --- /dev/null +++ b/src/3rdparty/v8/test/mjsunit/regress/regress-crbug-125148.js @@ -0,0 +1,90 @@ +// 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 ToDictionaryMode(x) { + %OptimizeObjectForAddingMultipleProperties(x, 100); +} + +var A, B, C; + +// The initial bug report was about calling a know function... +A = {}; +Object.defineProperty(A, "foo", { value: function() { assertUnreachable(); }}); + +B = Object.create(A); +Object.defineProperty(B, "foo", { value: function() { return 111; }}); + +C = Object.create(B); + +function bar(x) { return x.foo(); } + +assertEquals(111, bar(C)); +assertEquals(111, bar(C)); +ToDictionaryMode(B); +%OptimizeFunctionOnNextCall(bar); +assertEquals(111, bar(C)); + +// Although this was not in the initial bug report: The same for getters... +A = {}; +Object.defineProperty(A, "baz", { get: function() { assertUnreachable(); }}); + +B = Object.create(A); +Object.defineProperty(B, "baz", { get: function() { return 111; }}); + +C = Object.create(B); + +function boo(x) { return x.baz; } + +assertEquals(111, boo(C)); +assertEquals(111, boo(C)); +ToDictionaryMode(B); +%OptimizeFunctionOnNextCall(boo); +assertEquals(111, boo(C)); + +// And once more for setters... +A = {}; +Object.defineProperty(A, "huh", { set: function(x) { assertUnreachable(); }}); + +B = Object.create(A); +var setterValue; +Object.defineProperty(B, "huh", { set: function(x) { setterValue = x; }}); + +C = Object.create(B); + +function fuu(x) { + setterValue = 222; + x.huh = 111; + return setterValue; +} + +assertEquals(111, fuu(C)); +assertEquals(111, fuu(C)); +ToDictionaryMode(B); +%OptimizeFunctionOnNextCall(fuu); +assertEquals(111, fuu(C)); |