xref: /aosp_15_r20/external/clang/test/SemaTemplate/unused-variables.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -Wunused -verify %s
2*67e74705SXin Li 
3*67e74705SXin Li struct X0 {
4*67e74705SXin Li   ~X0();
5*67e74705SXin Li };
6*67e74705SXin Li 
7*67e74705SXin Li struct X1 { };
8*67e74705SXin Li 
9*67e74705SXin Li template<typename T>
f()10*67e74705SXin Li void f() {
11*67e74705SXin Li   X0 x0;
12*67e74705SXin Li   X1 x1; // expected-warning{{unused variable 'x1'}}
13*67e74705SXin Li }
14*67e74705SXin Li 
15*67e74705SXin Li template<typename T, typename U>
g()16*67e74705SXin Li void g() {
17*67e74705SXin Li   T t;
18*67e74705SXin Li   U u; // expected-warning{{unused variable 'u'}}
19*67e74705SXin Li }
20*67e74705SXin Li 
21*67e74705SXin Li template void g<X0, X1>(); // expected-note{{in instantiation of}}
22