8132446: AsssertionError in ClassSymbol.setAnnotationType

Reviewed-by: jlahoda, darcy

langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symbol.java

@@ -1367,6 +1367,10 @@ public abstract class Symbol extends AnnoConstruct implements Element {
                 t.interfaces_field = null;
                 t.all_interfaces_field = null;
             }
+            clearAnnotationMetadata();
+        }
+
+        public void clearAnnotationMetadata() {
             metadata = null;
             annotationTypeMetadata = AnnotationTypeMetadata.notAnAnnotationType();
         }

langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Enter.java

@@ -438,6 +438,7 @@ public class Enter extends JCTree.Visitor {
         c.flags_field = chk.checkFlags(tree.pos(), tree.mods.flags, c, tree);
         c.sourcefile = env.toplevel.sourcefile;
         c.members_field = WriteableScope.create(c);
+        c.clearAnnotationMetadata();
 
         ClassType ct = (ClassType)c.type;
         if (owner.kind != PCK && (c.flags_field & STATIC) == 0) {
@@ -457,6 +458,7 @@ public class Enter extends JCTree.Visitor {
 
         // Enter type parameters.
         ct.typarams_field = classEnter(tree.typarams, localEnv);
+        ct.allparams_field = null;
 
         // install further completer for this type.
         c.completer = typeEnter;

langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java

@@ -1506,7 +1506,6 @@ public class JavacProcessingEnvironment implements ProcessingEnvironment, Closea
             }
             public void visitClassDef(JCClassDecl node) {
                 if (node.sym != null) {
-                    node.sym.reset();
                     node.sym.completer = new ImplicitCompleter(topLevel);
                 }
                 node.sym = null;

langtools/test/tools/javac/processing/8132446/Processor.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+import java.io.IOError;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.Set;
+
+import javax.annotation.processing.RoundEnvironment;
+import javax.annotation.processing.SupportedAnnotationTypes;
+import javax.lang.model.element.Element;
+import javax.lang.model.element.TypeElement;
+import javax.tools.JavaFileObject;
+
+// This processor generates the missing annotation types of the form AutoAnnotation_*
+// thereby making sure annotation processing doesn't abort/crash on account of that.
+@SupportedAnnotationTypes("*")
+public class Processor extends JavacTestingAbstractProcessor {
+
+  @Override
+  public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
+    if (!roundEnv.processingOver()) {
+      for (Element element : roundEnv.getRootElements()) {
+        String elementName = element.getSimpleName().toString();
+        if (elementName.startsWith("AutoAnnotation_")) {
+          continue;
+        }
+        String name = "AutoAnnotation_" + elementName;
+        JavaFileObject jfo;
+        try {
+          jfo = processingEnv.getFiler().createSourceFile(name, element);
+        } catch (IOException e) {
+          throw new IOError(e);
+        }
+        try (OutputStream os = jfo.openOutputStream()) {
+          String output = String.format("public @interface %s {}", name);
+          os.write(output.getBytes(StandardCharsets.UTF_8));
+        } catch (IOException e) {
+          throw new IOError(e);
+        }
+      }
+    }
+    return false;
+  }
+}

langtools/test/tools/javac/processing/8132446/T8132446.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2016, 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     8132446
+ * @summary AsssertionError in ClassSymbol.setAnnotationType
+ * @library /tools/javac/lib
+ * @modules java.compiler
+ *          jdk.compiler
+ * @build   Processor
+ * @compile -processor Processor T8132446.java
+ * @compile -processor Processor T8132446.java
+ */
+
+
+@Deprecated
+@AutoAnnotation_T8132446
+public class T8132446 {}