8043133: Fix corner cases of JDK-8041995
Reviewed-by: hannesw, lagergren
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parent
4470510f04
commit
4fd3436709
@ -2212,6 +2212,11 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
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@Override
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public Boolean get() {
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value.accept(new NodeVisitor<LexicalContext>(new LexicalContext()) {
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@Override
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public boolean enterFunctionNode(FunctionNode functionNode) {
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return false;
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}
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@Override
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public boolean enterDefault(final Node node) {
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if (contains) {
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@ -2257,7 +2262,6 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
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restOfProperty |=
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value != null &&
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isValid(ccp) &&
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value instanceof Optimistic &&
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propertyValueContains(value, ccp);
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//for literals, a value of null means object type, i.e. the value null or getter setter function
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@ -2288,6 +2292,8 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
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//handler
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if (restOfProperty) {
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final ContinuationInfo ci = getContinuationInfo();
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// Can be set at most once for a single rest-of method
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assert ci.getObjectLiteralMap() == null;
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ci.setObjectLiteralMap(oc.getMap());
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ci.setObjectLiteralStackDepth(method.getStackSize());
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}
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@ -5094,6 +5100,7 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
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final int[] stackStoreSpec = ci.getStackStoreSpec();
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final Type[] stackTypes = ci.getStackTypes();
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final boolean isStackEmpty = stackStoreSpec.length == 0;
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boolean replacedObjectLiteralMap = false;
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if(!isStackEmpty) {
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// Load arguments on the stack
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final int objectLiteralStackDepth = ci.getObjectLiteralStackDepth();
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@ -5110,10 +5117,12 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
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assert ScriptObject.class.isAssignableFrom(method.peekType().getTypeClass()) : method.peekType().getTypeClass() + " is not a script object";
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loadConstant(ci.getObjectLiteralMap());
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method.invoke(ScriptObject.SET_MAP);
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replacedObjectLiteralMap = true;
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}
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}
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}
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// Must have emitted the code for replacing the map of an object literal if we have a set object literal stack depth
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assert ci.getObjectLiteralStackDepth() == -1 || replacedObjectLiteralMap;
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// Load RewriteException back.
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method.load(rewriteExceptionType, lvarCount);
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// Get rid of the stored reference
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41
nashorn/test/script/basic/JDK-8043133.js
Normal file
41
nashorn/test/script/basic/JDK-8043133.js
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@ -0,0 +1,41 @@
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/*
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* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* JDK-8043133: Fix corner cases of JDK-8041995
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*
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* @test
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* @run
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*/
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var x = {}
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var b = false;
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// Ternary expression is not optimistic, yet the analyzer must still
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// find the optimistic subexpression f() that triggered deoptimizing
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// recompilation.
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Object.defineProperty(x, 'foo', { value: b ? b : f() });
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print(x.foo); // Must print "Hello world" instead of 0
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function f() {
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return "Hello World!"
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}
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1
nashorn/test/script/basic/JDK-8043133.js.EXPECTED
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1
nashorn/test/script/basic/JDK-8043133.js.EXPECTED
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@ -0,0 +1 @@
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Hello World!
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