8026893: Push 8026365 to TL early and add test

Reviewed-by: dcubed, kamg

hotspot/src/share/vm/classfile/verifier.cpp

@@ -2439,19 +2439,19 @@ void ClassVerifier::verify_invoke_instructions(
              && !ref_class_type.equals(current_type())
              && !ref_class_type.equals(VerificationType::reference_type(
                   current_class()->super()->name()))) {
-    bool subtype = ref_class_type.is_assignable_from(
-      current_type(), this, CHECK_VERIFY(this));
+    bool subtype = false;
+    if (!current_class()->is_anonymous()) {
+      subtype = ref_class_type.is_assignable_from(
+                 current_type(), this, CHECK_VERIFY(this));
+    } else {
+      subtype = ref_class_type.is_assignable_from(VerificationType::reference_type(
+                 current_class()->host_klass()->name()), this, CHECK_VERIFY(this));
+    }
     if (!subtype) {
-      if (current_class()->is_anonymous()) {
-        subtype = ref_class_type.is_assignable_from(VerificationType::reference_type(
-                   current_class()->host_klass()->name()), this, CHECK_VERIFY(this));
-      }
-      if (!subtype) {
-        verify_error(ErrorContext::bad_code(bci),
-            "Bad invokespecial instruction: "
-            "current class isn't assignable to reference class.");
-         return;
-      }
+      verify_error(ErrorContext::bad_code(bci),
+          "Bad invokespecial instruction: "
+          "current class isn't assignable to reference class.");
+       return;
     }
   }
   // Match method descriptor with operand stack
@@ -2470,17 +2470,13 @@ void ClassVerifier::verify_invoke_instructions(
         if (!current_class()->is_anonymous()) {
           current_frame->pop_stack(current_type(), CHECK_VERIFY(this));
         } else {
-          // anonymous class invokespecial calls: either the
-          // operand stack/objectref  is a subtype of the current class OR
-          // the objectref is a subtype of the host_klass of the current class
+          // anonymous class invokespecial calls: check if the
+          // objectref is a subtype of the host_klass of the current class
           // to allow an anonymous class to reference methods in the host_klass
           VerificationType top = current_frame->pop_stack(CHECK_VERIFY(this));
-          bool subtype = current_type().is_assignable_from(top, this, CHECK_VERIFY(this));
-          if (!subtype) {
-            VerificationType hosttype =
-              VerificationType::reference_type(current_class()->host_klass()->name());
-            subtype = hosttype.is_assignable_from(top, this, CHECK_VERIFY(this));
-          }
+          VerificationType hosttype =
+            VerificationType::reference_type(current_class()->host_klass()->name());
+          bool subtype = hosttype.is_assignable_from(top, this, CHECK_VERIFY(this));
           if (!subtype) {
             verify_error( ErrorContext::bad_type(current_frame->offset(),
               current_frame->stack_top_ctx(),

hotspot/test/TEST.groups

@@ -27,7 +27,7 @@
 # - compact1, compact2, compact3, full JRE, JDK
 #
 # In addition they support testing of the minimal VM on compact1 and compact2.
-# Essentially this defines groups based around the specified API's and VM 
+# Essentially this defines groups based around the specified API's and VM
 # services available in the runtime.
 #
 # The groups are defined hierarchically in two forms:
@@ -44,9 +44,9 @@
 # by listing the top-level test directories.
 #
 # To use a group simply list it on the jtreg command line eg:
-#   jtreg :jdk    
+#   jtreg :jdk
 # runs all tests. While
-#   jtreg :compact2  
+#   jtreg :compact2
 # runs those tests that only require compact1 and compact2 API's.
 #
 
@@ -69,6 +69,7 @@ needs_jdk = \
   runtime/7107135/Test7107135.sh \
   runtime/7158988/FieldMonitor.java \
   runtime/7194254/Test7194254.java \
+  runtime/8026365/InvokeSpecialAnonTest.java \
   runtime/jsig/Test8017498.sh \
   runtime/Metaspace/FragmentMetaspace.java \
   runtime/NMT/BaselineWithParameter.java \
@@ -140,7 +141,7 @@ compact2 = \
  -:needs_jdk
 
 # Tests that require compact2 API's and a full VM
-#  
+#
 needs_full_vm_compact2 =
 
 # Compact 1 adds full VM tests

hotspot/test/runtime/8026365/InvokeSpecialAnonTest.java

@@ -0,0 +1,91 @@
+/*
+ * 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.
+ *
+ * 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 8026365
+ * @summary Test invokespecial of host class method from an anonymous class
+ * @author  Robert Field
+ * @library /testlibrary
+ * @compile -XDignore.symbol.file InvokeSpecialAnonTest.java
+ * @run main ClassFileInstaller InvokeSpecialAnonTest AnonTester
+ * @run main/othervm -Xbootclasspath/a:. -Xverify:all InvokeSpecialAnonTest
+ */
+import jdk.internal.org.objectweb.asm.*;
+import java.lang.reflect.Constructor;
+import sun.misc.Unsafe;
+
+public class InvokeSpecialAnonTest implements Opcodes {
+
+    static byte[] anonClassBytes() throws Exception {
+        ClassWriter cw = new ClassWriter(0);
+        MethodVisitor mv;
+
+        cw.visit(V1_8, ACC_FINAL + ACC_SUPER, "Anon", null, "java/lang/Object", null);
+
+        {
+            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
+            mv.visitCode();
+            mv.visitVarInsn(ALOAD, 0);
+            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
+            mv.visitInsn(RETURN);
+            mv.visitMaxs(2, 2);
+            mv.visitEnd();
+        }
+        {
+            mv = cw.visitMethod(ACC_PUBLIC, "m", "(LInvokeSpecialAnonTest;)I", null, null);
+            mv.visitCode();
+            mv.visitVarInsn(ALOAD, 0);
+            mv.visitVarInsn(ALOAD, 1);
+            mv.visitMethodInsn(INVOKESPECIAL, "InvokeSpecialAnonTest", "privMethod", "()I");
+            mv.visitInsn(IRETURN);
+            mv.visitMaxs(2, 3);
+            mv.visitEnd();
+        }
+        cw.visitEnd();
+
+        return cw.toByteArray();
+    }
+
+    private int privMethod() { return 1234; }
+
+    public static void main(String[] args) throws Exception {
+        Class<?> klass = InvokeSpecialAnonTest.class;
+        try {
+           Class<?> result = AnonTester.defineTest(klass, anonClassBytes());
+           System.out.println("Passed.");
+        } catch (Exception e) {
+           e.printStackTrace();
+           throw e;
+        }
+    }
+}
+
+
+class AnonTester {
+    private static final Unsafe UNSAFE = Unsafe.getUnsafe();
+
+    public static Class<?> defineTest(Class<?> targetClass, byte[] classBytes) throws Exception {
+        return UNSAFE.defineAnonymousClass(targetClass, classBytes, null);
+    }
+}