6979327: method handle invocation should use casts instead of type parameters to specify return type

Infer return type for polymorphic signature calls according to updated JSR 292 draft

Reviewed-by: jjg

langtools/test/tools/javac/meth/InvokeDynTrans.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2008-2010, 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 6754038 6979327
+ * @summary Generate call sites for method handle
+ * @author jrose
+ *
+ * @library ..
+ * @compile/fail/ref=InvokeDynTrans.out -Werror -XDrawDiagnostics -source 7 -target 7 InvokeDynTrans.java
+ */
+//No: @run main/othervm -XX:+EnableInvokeDynamic meth.InvokeDyn
+
+/*
+ * Standalone testing:
+ * <code>
+ * $ cd $MY_REPO_DIR/langtools
+ * $ (cd make; make)
+ * $ ./dist/bootstrap/bin/javac -d dist test/tools/javac/meth/InvokeDyn.java
+ * $ javap -c -classpath dist meth.InvokeDyn
+ * </code>
+ */
+
+package meth;
+
+import java.dyn.InvokeDynamic;
+
+public class InvokeDynTrans {
+    void test() throws Throwable {
+        Object x = "hello";
+        InvokeDynamic.greet(x, "world", 123);
+        InvokeDynamic.greet(x, "mundus", 456);
+        InvokeDynamic.greet(x, "kosmos", 789);
+        InvokeDynamic.<String>cogitate(10.11121, 3.14);
+        InvokeDynamic.<void>#"yow: what I mean to say is, please treat this one specially"(null);
+        InvokeDynamic.<int>invoke("goodbye");
+    }
+}