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changeset 2922:a588177cbccf

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8074417: Group 13a: golden files for tests in tools/javac/generics dir Reviewed-by: jjg, mcimadamore
author sogoel
date Fri, 15 May 2015 09:53:08 -0700
parents 651ec712b913
children 8bcbda64767c
files test/tools/javac/generics/Covar3.java test/tools/javac/generics/Covar3.out test/tools/javac/generics/GenLit1.java test/tools/javac/generics/GenLit1.out test/tools/javac/generics/GenericThrowable.java test/tools/javac/generics/GenericThrowable.out test/tools/javac/generics/InheritanceConflict.java test/tools/javac/generics/InheritanceConflict.out test/tools/javac/generics/SelfImplement.java test/tools/javac/generics/SelfImplement.out test/tools/javac/generics/T4738171.java test/tools/javac/generics/T4738171.out test/tools/javac/generics/T4739399.java test/tools/javac/generics/T4739399.out test/tools/javac/generics/T4757416.java test/tools/javac/generics/T4757416.out test/tools/javac/generics/T5011073.java test/tools/javac/generics/T5011073.out test/tools/javac/generics/UncheckedCovariance.java test/tools/javac/generics/UncheckedCovariance.out test/tools/javac/generics/abstract/T4717181c.java test/tools/javac/generics/abstract/T4717181c.out
diffstat 22 files changed, 47 insertions(+), 275 deletions(-) [+]
line wrap: on
line diff
--- a/test/tools/javac/generics/Covar3.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/Covar3.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2004, 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
+ * @test /nodynamiccopyright/
  * @bug 4907941
  * @summary missing ambiguity error
  * @author gafter
  *
- * @compile/fail  Covar3.java
+ * @compile/fail/ref=Covar3.out -XDrawDiagnostics   Covar3.java
  */
 
 package covar3;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/Covar3.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,2 @@
+Covar3.java:19:10: compiler.err.ref.ambiguous: f, kindname.method, f(T), covar3.Test3, kindname.method, f(java.lang.String), covar3.Test3
+1 error
--- a/test/tools/javac/generics/GenLit1.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/GenLit1.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2004, 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
+ * @test /nodynamiccopyright/
  * @bug 4987844
  * @summary compiler crash with ill-formed annotation
  * @author gafter
  *
- * @compile/fail  GenLit1.java
+ * @compile/fail/ref=GenLit1.out -XDrawDiagnostics   GenLit1.java
  */
 
 package genLit1;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/GenLit1.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,2 @@
+GenLit1.java:16:5: compiler.err.type.var.cant.be.deref
+1 error
--- a/test/tools/javac/generics/GenericThrowable.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/GenericThrowable.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2004, 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
+ * @test /nodynamiccopyright/
  * @bug 4984157
  * @summary java.lang.Throwable inheritance in parameterized type
  * @author gafter
  *
- * @compile/fail  GenericThrowable.java
+ * @compile/fail/ref=GenericThrowable.out -XDrawDiagnostics   GenericThrowable.java
  */
 
 class GenericThrowable<T> extends NullPointerException {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/GenericThrowable.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,2 @@
+GenericThrowable.java:10:35: compiler.err.generic.throwable
+1 error
--- a/test/tools/javac/generics/InheritanceConflict.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/InheritanceConflict.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2004, 2008, 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
+ * @test /nodynamiccopyright/
  * @bug 4984158
  * @summary two inherited methods with same signature
  * @author gafter, Maurizio Cimadamore
  *
- * @compile/fail  InheritanceConflict.java
+ * @compile/fail/ref=InheritanceConflict.out -XDrawDiagnostics   InheritanceConflict.java
  */
 
 package inheritance.conflict;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/InheritanceConflict.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,2 @@
+InheritanceConflict.java:20:1: compiler.err.concrete.inheritance.conflict: f(T), inheritance.conflict.B<java.lang.String>, f(java.lang.String), inheritance.conflict.A<java.lang.String>, inheritance.conflict.B<java.lang.String>
+1 error
--- a/test/tools/javac/generics/SelfImplement.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/SelfImplement.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2002, 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
+ * @test /nodynamiccopyright/
  * @bug 4725668
  * @summary generics: reject implementation with incorrect return type
  * @author gafter
  *
- * @compile/fail  SelfImplement.java
+ * @compile/fail/ref=SelfImplement.out -XDrawDiagnostics   SelfImplement.java
  */
 
 class SelfImplement {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/SelfImplement.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,2 @@
+SelfImplement.java:15:21: compiler.err.concrete.inheritance.conflict: f(T), SelfImplement.A<java.lang.Integer>, f(java.lang.Integer), SelfImplement.A<java.lang.Integer>, SelfImplement.A<java.lang.Integer>
+1 error
--- a/test/tools/javac/generics/T4738171.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/T4738171.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2003, 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
+ * @test /nodynamiccopyright/
  * @bug 4738171
  * @summary generics: problem with equivalence of generic types
  * @author gafter
  *
- * @compile/fail  T4738171.java
+ * @compile/fail/ref=T4738171.out -XDrawDiagnostics   T4738171.java
  */
 
 interface If<T> {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/T4738171.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,2 @@
+T4738171.java:11:14: compiler.err.non-static.cant.be.ref: kindname.type.variable, T
+1 error
--- a/test/tools/javac/generics/T4739399.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/T4739399.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2003, 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
+ * @test /nodynamiccopyright/
  * @bug 4739399
  * @summary generics: crash after error regarding bounds on type variable
  * @author gafter
  *
- * @compile/fail  T4739399.java
+ * @compile/fail/ref=T4739399.out -XDrawDiagnostics   T4739399.java
  */
 
 class T4739399 {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/T4739399.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,2 @@
+T4739399.java:18:64: compiler.err.type.var.may.not.be.followed.by.other.bounds
+1 error
--- a/test/tools/javac/generics/T4757416.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/T4757416.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2003, 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
+ * @test /nodynamiccopyright/
  * @bug 4756416
  * @summary generics: erasure clash not detected
  * @author gafter
  *
- * @compile/fail  T4757416.java
+ * @compile/fail/ref=T4757416.out -XDrawDiagnostics   T4757416.java
  */
 
 class T4756416 {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/T4757416.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,3 @@
+T4757416.java:14:23: compiler.err.name.clash.same.erasure.no.override.1: id(java.lang.String), T4756416.D, id(A), T4756416.I, id(A), T4756416.C
+T4757416.java:15:24: compiler.err.name.clash.same.erasure.no.override.1: id(java.lang.Integer), T4756416.D, id(A), T4756416.C, id(A), T4756416.I
+2 errors
--- a/test/tools/javac/generics/T5011073.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/T5011073.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2004, 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
+ * @test /nodynamiccopyright/
  * @bug 5011073
  * @summary javac should implement JLS3 three-pass overload resolution
  * @author gafter
  *
- * @compile/fail  T5011073.java
+ * @compile/fail/ref=T5011073.out -XDrawDiagnostics   T5011073.java
  */
 
 import java.util.*;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/T5011073.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,2 @@
+T5011073.java:15:9: compiler.err.cant.apply.symbol: kindname.method, f, java.util.Set<java.lang.String>,java.lang.Class<java.lang.String>, java.util.Set<java.lang.Integer>,java.lang.Class, kindname.class, T5011073, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: java.util.Set<java.lang.Integer>, java.util.Set<java.lang.String>))
+1 error
--- a/test/tools/javac/generics/UncheckedCovariance.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/UncheckedCovariance.java	Fri May 15 09:53:08 2015 -0700
@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 2003, 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
+ * @test /nodynamiccopyright/
  * @bug 4949303
  * @summary A method returning a raw type cannot override a method returning a generic type
  * @author gafter
  *
  * @compile  UncheckedCovariance.java
- * @compile/fail -Xlint:unchecked -Werror  UncheckedCovariance.java
+ * @compile/fail/ref=UncheckedCovariance.out -XDrawDiagnostics  -Xlint:unchecked -Werror  UncheckedCovariance.java
  */
 
 class UncheckedCovariance {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/UncheckedCovariance.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,4 @@
+UncheckedCovariance.java:17:13: compiler.warn.override.unchecked.ret: (compiler.misc.unchecked.override: f(), UncheckedCovariance.B, f(), UncheckedCovariance.A), UncheckedCovariance.Box, UncheckedCovariance.Box<java.lang.Integer>
+- compiler.err.warnings.and.werror
+1 error
+1 warning
--- a/test/tools/javac/generics/abstract/T4717181c.java	Fri May 15 09:30:55 2015 -0700
+++ b/test/tools/javac/generics/abstract/T4717181c.java	Fri May 15 09:53:08 2015 -0700
@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 2002, 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
+ * @test /nodynamiccopyright/
  * @bug 4717181
  * @summary javac treats inherited abstract method as an overrider
  * @author gafter
  *
- * @compile/fail  T4717181c.java
+ * @compile/fail/ref=T4717181c.out -XDrawDiagnostics   T4717181c.java
  */
 
 class T4717181c {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/abstract/T4717181c.out	Fri May 15 09:53:08 2015 -0700
@@ -0,0 +1,2 @@
+T4717181c.java:15:21: compiler.err.types.incompatible.diff.ret: T4717181c.A<java.lang.Integer>, T4717181c.A<java.lang.Integer>, f(java.lang.Integer)
+1 error