8005931: javac doesn't set ACC_STRICT for classes with package access

Reviewed-by: mcimadamore

langtools/src/share/classes/com/sun/tools/javac/parser/JavacParser.java

@@ -3022,7 +3022,7 @@ public class JavacParser implements Parser {
         boolean checkForImports = true;
         boolean firstTypeDecl = true;
         while (token.kind != EOF) {
-            if (token.pos <= endPosTable.errorEndPos) {
+            if (token.pos > 0 && token.pos <= endPosTable.errorEndPos) {
                 // error recovery
                 skip(checkForImports, false, false, false);
                 if (token.kind == EOF)

langtools/test/tools/javac/8005931/CheckACC_STRICTFlagOnPkgAccessClassTest.java

@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8005931
+ * @summary javac doesn't set ACC_STRICT for classes with package access
+ * @run main CheckACC_STRICTFlagOnPkgAccessClassTest
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import javax.tools.JavaCompiler;
+import javax.tools.JavaFileObject;
+import javax.tools.SimpleJavaFileObject;
+import javax.tools.ToolProvider;
+import com.sun.source.util.JavacTask;
+import com.sun.tools.classfile.ClassFile;
+import com.sun.tools.classfile.ConstantPoolException;
+import com.sun.tools.classfile.Descriptor;
+import com.sun.tools.classfile.Descriptor.InvalidDescriptor;
+import com.sun.tools.classfile.Method;
+
+import static com.sun.tools.classfile.AccessFlags.ACC_STRICT;
+
+public class CheckACC_STRICTFlagOnPkgAccessClassTest {
+
+    private static final String AssertionErrorMessage =
+        "All methods should have the ACC_STRICT access flag " +
+        "please check output";
+    private static final String CompilationErrorMessage =
+        "Error thrown when compiling the following source:\n";
+    private static final String offendingMethodErrorMessage =
+        "Method %s of class %s doesn't have the ACC_STRICT access flag";
+
+    JavaSource source = new JavaSource();
+
+    private List<String> errors = new ArrayList<>();
+
+    public static void main(String[] args)
+            throws IOException, ConstantPoolException, InvalidDescriptor {
+        JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
+        new CheckACC_STRICTFlagOnPkgAccessClassTest().run(comp);
+    }
+
+    private void run(JavaCompiler comp)
+            throws IOException, ConstantPoolException, InvalidDescriptor {
+        compile(comp);
+        check();
+        if (errors.size() > 0) {
+            for (String error: errors) {
+                System.err.println(error);
+            }
+            throw new AssertionError(AssertionErrorMessage);
+        }
+    }
+
+    private void compile(JavaCompiler comp) {
+        JavacTask ct = (JavacTask)comp.getTask(null, null, null, null, null,
+                Arrays.asList(source));
+        try {
+            if (!ct.call()) {
+                throw new AssertionError(CompilationErrorMessage +
+                        source.getCharContent(true));
+            }
+        } catch (Throwable ex) {
+            throw new AssertionError(CompilationErrorMessage +
+                    source.getCharContent(true));
+        }
+    }
+
+    void check()
+        throws
+            IOException,
+            ConstantPoolException,
+            Descriptor.InvalidDescriptor {
+        ClassFile classFileToCheck = ClassFile.read(new File("Test.class"));
+
+        for (Method method : classFileToCheck.methods) {
+            if ((method.access_flags.flags & ACC_STRICT) == 0) {
+                errors.add(String.format(offendingMethodErrorMessage,
+                        method.getName(classFileToCheck.constant_pool),
+                        classFileToCheck.getName()));
+            }
+        }
+    }
+
+    class JavaSource extends SimpleJavaFileObject {
+
+        String source = "strictfp class Test {" +
+                "    Test(){}" +
+                "    void m(){}" +
+                "}";
+
+        public JavaSource() {
+            super(URI.create("Test.java"), JavaFileObject.Kind.SOURCE);
+        }
+
+        @Override
+        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
+            return source;
+        }
+    }
+}