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Add regression test for the code flushing in issue 474 (which was

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fixed in revision 4921).

This also enables codeflushing by default.

Review URL: http://codereview.chromium.org/2829020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4922 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
ricow@chromium.org 2010-06-23 08:02:06 +00:00
parent a330683b00
commit be531accc0
2 changed files with 57 additions and 1 deletions
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2
src/flag-definitions.h
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@ -193,7 +193,7 @@ DEFINE_bool(trace_gc_verbose, false,
"print more details following each garbage collection")
DEFINE_bool(collect_maps, true,
"garbage collect maps from which no objects can be reached")
DEFINE_bool(flush_code, false,
DEFINE_bool(flush_code, true,
"flush code that we expect not to use again before full gc")
// v8.cc

56
test/mjsunit/regress/regress-747.js Normal file
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@ -0,0 +1,56 @@
// Copyright 2010 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: --expose_gc
// This test makes sure that we do flush code with heap allocated locals.
// This can be a problem if eval is used within the scope.
// See: http://code.google.com/p/v8/issues/detail?id=747
(function() {
var x = 42;
this.callEval = function() {eval('x');};
})();
try {
callEval();
} catch (e) {
assertUnreachable();
}
gc();
gc();
gc();
gc();
gc();
gc();
try {
callEval();
} catch (e) {
assertUnreachable();
}