7073508: Regression: NullPointerException at com.sun.tools.javac.code.Lint$AugmentVisitor.augment

Reviewed-by: darcy

src/share/classes/com/sun/tools/javac/comp/Attr.java

@@ -594,7 +594,15 @@ public class Attr extends JCTree.Visitor {
             lintEnv = lintEnv.next;
 
         // Having found the enclosing lint value, we can initialize the lint value for this class
-        env.info.lint = lintEnv.info.lint.augment(env.info.enclVar.attributes_field, env.info.enclVar.flags());
+        // ... but ...
+        // There's a problem with evaluating annotations in the right order, such that
+        // env.info.enclVar.attributes_field might not yet have been evaluated, and so might be
+        // null. In that case, calling augment will throw an NPE. To avoid this, for now we
+        // revert to the jdk 6 behavior and ignore the (unevaluated) attributes.
+        if (env.info.enclVar.attributes_field == null)
+            env.info.lint = lintEnv.info.lint;
+        else
+            env.info.lint = lintEnv.info.lint.augment(env.info.enclVar.attributes_field, env.info.enclVar.flags());
 
         Lint prevLint = chk.setLint(env.info.lint);
         JavaFileObject prevSource = log.useSource(env.toplevel.sourcefile);

test/tools/javac/annotations/T7043371.java

+/*
+ * Copyright (c) 2011, 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.
+ */
+
+/*
+ * @test
+ * @bug 7043371
+ * @summary javac7 fails with NPE during compilation
+ * @compile T7043371.java
+ */
+
+@interface Anno {
+    String value();
+}
+
+class B {
+    @Anno(value=A.a)
+    public static final int b = 0;
+}
+
+class A {
+    @Deprecated
+    public static final String a = "a";
+}

test/tools/javac/annotations/T7073477.java

+/*
+ * Copyright (c) 2011, 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.
+ */
+
+/*
+ * @test
+ * @bug 7073477
+ * @summary NPE in com.sun.tools.javac.code.Symbol$VarSymbol.getConstValue
+ * @compile T7073477.java
+ */
+
+@SuppressWarnings(T7073477A.S)
+class T7073477 {
+}
+
+class T7073477A {
+  @SuppressWarnings("")
+  static final String S = "";
+}
+