Fix Object.freeze, Object.observe wrt CountOperation and CompoundAssignment.

BUG=2774,2779
R=adamk@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22562004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16111 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
verwaest@chromium.org 2013-08-07 18:45:41 +00:00
parent 56ca64e98c
commit e5afd32129
4 changed files with 51 additions and 8 deletions

View File

@ -5039,7 +5039,7 @@ void HOptimizedGraphBuilder::HandleCompoundAssignment(Assignment* expr) {
Add<HSimulate>(operation->id(), REMOVABLE_SIMULATE);
}
return BuildStoreNamed(prop, expr->id(), expr->position(),
return BuildStoreNamed(expr, expr->id(), expr->position(),
expr->AssignmentId(), prop, object, instr, instr);
} else {
// Keyed property.
@ -7474,7 +7474,7 @@ void HOptimizedGraphBuilder::VisitCountOperation(CountOperation* expr) {
after = BuildIncrement(returns_original_input, expr);
HValue* result = returns_original_input ? Pop() : after;
return BuildStoreNamed(prop, expr->id(), expr->position(),
return BuildStoreNamed(expr, expr->id(), expr->position(),
expr->AssignmentId(), prop, object, after, result);
} else {
// Keyed property.

View File

@ -388,10 +388,8 @@ void AstTyper::VisitAssignment(Assignment* expr) {
Property* prop = target->AsProperty();
if (prop != NULL) {
prop->RecordTypeFeedback(oracle(), zone());
if (!prop->key()->IsPropertyName()) { // i.e., keyed
expr->RecordTypeFeedback(oracle(), zone());
}
}
RECURSE(Visit(expr->binary_operation()));

View File

@ -646,9 +646,8 @@ function recursiveObserver2(r) {
Object.observe(obj1, recursiveObserver2);
Object.observe(obj2, recursiveObserver2);
++obj1.a;
// TODO(verwaest): Disabled because of bug 2774.
// Object.deliverChangeRecords(recursiveObserver2);
// assertEquals(199, recordCount);
Object.deliverChangeRecords(recursiveObserver2);
assertEquals(199, recordCount);
// Observing named properties.

View File

@ -0,0 +1,46 @@
// 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
// CountOperation
function f(o) { o.x++ };
var o = {x: 5};
Object.freeze(o);
f(o);
f(o);
%OptimizeFunctionOnNextCall(f);
f(o);
assertEquals(5, o.x);
// Compound Assignment
function f2(o) { o.x+=3 };
f2(o);
f2(o);
%OptimizeFunctionOnNextCall(f2);
f2(o);
assertEquals(5, o.x);