8043133: Fix corner cases of JDK-8041995

Reviewed-by: hannesw, lagergren
This commit is contained in:
Attila Szegedi 2014-05-14 17:05:08 +02:00
parent 4470510f04
commit 4fd3436709
3 changed files with 53 additions and 2 deletions

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@ -2212,6 +2212,11 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
@Override
public Boolean get() {
value.accept(new NodeVisitor<LexicalContext>(new LexicalContext()) {
@Override
public boolean enterFunctionNode(FunctionNode functionNode) {
return false;
}
@Override
public boolean enterDefault(final Node node) {
if (contains) {
@ -2257,7 +2262,6 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
restOfProperty |=
value != null &&
isValid(ccp) &&
value instanceof Optimistic &&
propertyValueContains(value, ccp);
//for literals, a value of null means object type, i.e. the value null or getter setter function
@ -2288,6 +2292,8 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
//handler
if (restOfProperty) {
final ContinuationInfo ci = getContinuationInfo();
// Can be set at most once for a single rest-of method
assert ci.getObjectLiteralMap() == null;
ci.setObjectLiteralMap(oc.getMap());
ci.setObjectLiteralStackDepth(method.getStackSize());
}
@ -5094,6 +5100,7 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
final int[] stackStoreSpec = ci.getStackStoreSpec();
final Type[] stackTypes = ci.getStackTypes();
final boolean isStackEmpty = stackStoreSpec.length == 0;
boolean replacedObjectLiteralMap = false;
if(!isStackEmpty) {
// Load arguments on the stack
final int objectLiteralStackDepth = ci.getObjectLiteralStackDepth();
@ -5110,10 +5117,12 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
assert ScriptObject.class.isAssignableFrom(method.peekType().getTypeClass()) : method.peekType().getTypeClass() + " is not a script object";
loadConstant(ci.getObjectLiteralMap());
method.invoke(ScriptObject.SET_MAP);
replacedObjectLiteralMap = true;
}
}
}
// Must have emitted the code for replacing the map of an object literal if we have a set object literal stack depth
assert ci.getObjectLiteralStackDepth() == -1 || replacedObjectLiteralMap;
// Load RewriteException back.
method.load(rewriteExceptionType, lvarCount);
// Get rid of the stored reference

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@ -0,0 +1,41 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* JDK-8043133: Fix corner cases of JDK-8041995
*
* @test
* @run
*/
var x = {}
var b = false;
// Ternary expression is not optimistic, yet the analyzer must still
// find the optimistic subexpression f() that triggered deoptimizing
// recompilation.
Object.defineProperty(x, 'foo', { value: b ? b : f() });
print(x.foo); // Must print "Hello world" instead of 0
function f() {
return "Hello World!"
}

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@ -0,0 +1 @@
Hello World!