1 // RUN: %clang_cc1 -verify -Wunused -Wused-but-marked-unused -fsyntax-only %s
2 
3 namespace ns_unused { typedef int Int_unused __attribute__((unused)); }
4 namespace ns_not_unused { typedef int Int_not_unused; }
5 
f()6 void 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