1/*
2 * @test /nodynamiccopyright/
3 * @bug 4881267
4 * @summary improve diagnostic for "instanceof T" for type parameter T
5 * @compile/fail/ref=T4881267.out -XDrawDiagnostics T4881267.java
6 */
7
8class T4881267 {
9    <T> void m(Object o) {
10        boolean b = o instanceof T;
11    }
12}
13