/*+− * @test /nodynamiccopyright/+− * @bug 4881267+− * @summary improve diagnostic for "instanceof T" for type parameter T+− * @compile/fail/ref=T4881267.out -XDrawDiagnostics T4881267.java+− */+− +− class T4881267 {+− <T> void m(Object o) {+− boolean b = o instanceof T;+− }+− }+−