Merge

.hgtags

@@ -306,3 +306,4 @@ b45fd486977d6cfe64c9947b7afd203c62ec4e98 jdk8u20-b17
 a550336d045faa63ac4439d4901d9f36e0b634bf jdk8u20-b18
 c04d99e00268ed87cfbdf76beb1a0ea08abd9a9c jdk8u20-b19
 e92effa22ecee1cb9965c278e45e2b1a6fbe0766 jdk8u20-b20
+7de1481c6cd88b42d815ae65e2d5b1cd918e11d1 jdk8u20-b21

src/share/classes/com/sun/tools/javac/code/Types.java

@@ -3218,6 +3218,7 @@ public class Types {
             return tvar.rank_field;
         }
         case ERROR:
+        case NONE:
             return 0;
         default:
             throw new AssertionError();

test/tools/javac/missingSuperRecovery/MissingInterfaceTest.java

+/*
+ * @test /nodynamiccopyright/
+ * @bug 8036007
+ * @summary javac crashes when encountering an unresolvable interface
+ * @build MissingInterfaceTestDep
+ * @clean Closeable
+ * @compile/fail/ref=MissingInterfaceTest.out -XDrawDiagnostics MissingInterfaceTest.java
+ */
+
+public class MissingInterfaceTest {
+    void test(MissingInterfaceTestDep s) {
+        s.call();
+        s.another();
+    }
+}

test/tools/javac/missingSuperRecovery/MissingInterfaceTest.out

+MissingInterfaceTest.java:12:10: compiler.err.cant.access: Closeable, (compiler.misc.class.file.not.found: Closeable)
+MissingInterfaceTest.java:13:10: compiler.err.cant.resolve.location.args: kindname.method, another, , , (compiler.misc.location.1: kindname.variable, s, MissingInterfaceTestDep)
+2 errors

test/tools/javac/missingSuperRecovery/MissingInterfaceTestDep.java

+/*
+ * Copyright (c) 2014, 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.
+ */
+
+public class MissingInterfaceTestDep implements Intermediate {}
+interface Intermediate extends Closeable { }
+interface Closeable {}