ffc6c7e56b
We have to emit code for declarations later into the body block (and not into the start block) so that the environment contains the correct values. In order to capture the environment effect of the declarations that generate code (function declarations) I inserted a separate AST id and a HSimulate after the declarations are visited. Also fixes handling deopt in named function expressions: BUG=v8:1647 TEST=test/mjsunit/regress/regress-fundecl.js, test/mjsunit/regress/regress-1647.js Review URL: http://codereview.chromium.org/7776009 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9083 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
44 lines
1.9 KiB
JavaScript
44 lines
1.9 KiB
JavaScript
// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax
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// Test for correct deoptimization in named function expressions.
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var t = { foo: function() {} };
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var f = (function bar() {
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t.foo();
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assertEquals("function", typeof bar);
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});
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for (var i = 0; i < 10; i++) f();
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%OptimizeFunctionOnNextCall(f);
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t.number = 2;
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f();
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