8130506: javac AssertionError when invoking MethodHandle.invoke with lambda parameter

Reviewed-by: mcimadamore
Contributed-by: srikanth.adayapalam@oracle.com

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

@@ -2478,7 +2478,9 @@ public class Resolve {
                 return spMethod;
             }
         };
-        polymorphicSignatureScope.enter(msym);
+        if (!mtype.isErroneous()) { // Cache only if kosher.
+            polymorphicSignatureScope.enter(msym);
+        }
         return msym;
     }
 

test/tools/javac/lambda/MethodHandleInvokeTest.java

+/*
+ * Copyright (c) 2015, 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 8130506 8147530
+ * @summary javac AssertionError when invoking MethodHandle.invoke with lambda parameter
+ * @run main MethodHandleInvokeTest
+ */
+
+import java.lang.invoke.MethodHandle;
+
+public class MethodHandleInvokeTest {
+
+    private static interface Obj2Obj {
+        Object run(Object obj) throws Throwable;
+    }
+
+    private static void m(Obj2Obj param) {
+    }
+
+    public static void main(String[] args) {
+        m((obj) -> {
+            MethodHandle mhandle = null;
+            mhandle.invoke(obj);
+            return null;
+        });
+    }
+}