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Diffstat (limited to 'deps/v8/test/mjsunit/elide-double-hole-check-9.js')
| -rw-r--r-- | deps/v8/test/mjsunit/elide-double-hole-check-9.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/elide-double-hole-check-9.js b/deps/v8/test/mjsunit/elide-double-hole-check-9.js new file mode 100644 index 000000000..4d277af69 --- /dev/null +++ b/deps/v8/test/mjsunit/elide-double-hole-check-9.js @@ -0,0 +1,49 @@ +// 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 + +var do_set = false; + +function set_proto_elements() { + try {} catch (e) {} // Don't optimize or inline + if (do_set) Array.prototype[1] = 1.5; +} + +function f(a, i) { + set_proto_elements(); + return a[i] + 0.5; +} + +var arr = [0.0,,2.5]; +assertEquals(0.5, f(arr, 0)); +assertEquals(0.5, f(arr, 0)); +%OptimizeFunctionOnNextCall(f); +assertEquals(0.5, f(arr, 0)); +do_set = true; +assertEquals(2, f(arr, 1)); + |