1// RUN: %clang_cc1 -verify -Wunused -Wused-but-marked-unused -fsyntax-only %s
2
3namespace ns_unused { typedef int Int_unused __attribute__((unused)); }
4namespace ns_not_unused { typedef int Int_not_unused; }
5
6void f() {
7  ns_not_unused::Int_not_unused i1; // expected-warning {{unused variable}}
8  ns_unused::Int_unused i0; // expected-warning {{'Int_unused' was marked unused but was used}}
9}
10