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class A<T> {}
class B<T> extends A<A<T>> {
void bar(B<?> b, B<? extends String> eb, B<? super String> sb, B<String> s) {
foo(b);
foo(eb);
foo(sb);
foo(s);
<error descr="Inferred type 'capture<?>' for type parameter 'T' is not within its bound; should extend 'java.lang.String'">foo1(b)</error>;
foo1(eb);
<error descr="Inferred type 'capture<? super java.lang.String>' for type parameter 'T' is not within its bound; should extend 'java.lang.String'">foo1(sb)</error>;
foo1(s);
foo2(b);
foo2(eb);
foo2(sb);
foo2(s);
foo3<error descr="'foo3(A<A<? extends T>>)' in 'B' cannot be applied to '(B<capture<?>>)'">(b)</error>;
foo3<error descr="'foo3(A<A<? extends T>>)' in 'B' cannot be applied to '(B<capture<? extends java.lang.String>>)'">(eb)</error>;
foo3<error descr="'foo3(A<A<? extends T>>)' in 'B' cannot be applied to '(B<capture<? super java.lang.String>>)'">(sb)</error>;
foo3<error descr="'foo3(A<A<? extends java.lang.String>>)' in 'B' cannot be applied to '(B<java.lang.String>)'">(s)</error>;
foo4<error descr="'foo4(A<A<? super T>>)' in 'B' cannot be applied to '(B<capture<?>>)'">(b)</error>;
foo4<error descr="'foo4(A<A<? super T>>)' in 'B' cannot be applied to '(B<capture<? extends java.lang.String>>)'">(eb)</error>;
foo4<error descr="'foo4(A<A<? super T>>)' in 'B' cannot be applied to '(B<capture<? super java.lang.String>>)'">(sb)</error>;
foo4<error descr="'foo4(A<A<? super java.lang.String>>)' in 'B' cannot be applied to '(B<java.lang.String>)'">(s)</error>;
foo5(b);
foo5(eb);
foo5(sb);
foo5(s);
}
<T> void foo(A<A<T>> x) {}
<T extends String> void foo1(A<A<T>> x) {}
<T> void foo2(A<? extends A<T>> x) {}
<T> void foo3(A<A<? extends T>> x) {}
<T> void foo4(A<A<? super T>> x) {}
<T> void foo5(A<? super A<T>> x) {}
}
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