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// RUN: %clang_cc1 -fsyntax-only -verify %s
template <int A, int B> void foo() {
(void)(A == A); // expected-warning {{self-comparison always evaluates to true}}
(void)(A == B);
}
template <int A, int B> struct S1 {
void foo() {
(void)(A == A); // expected-warning {{self-comparison always evaluates to true}}
(void)(A == B);
}
};
template <int A, int B> struct S2 {
template <typename T> T foo() {
(void)(A == A); // expected-warning {{self-comparison always evaluates to true}}
(void)(A == B);
}
};
struct S3 {
template <int A, int B> void foo() {
(void)(A == A); // expected-warning {{self-comparison always evaluates to true}}
(void)(A == B);
}
};
template <int A> struct S4 {
template <int B> void foo() {
(void)(A == A); // expected-warning {{self-comparison always evaluates to true}}
(void)(A == B);
}
};
const int N = 42;
template <int X> void foo2() {
(void)(X == N);
(void)(N == X);
}
void test() {
foo<1, 1>();
S1<1, 1> s1; s1.foo();
S2<1, 1> s2; s2.foo<void>();
S3 s3; s3.foo<1, 1>();
S4<1> s4; s4.foo<1>();
foo2<N>();
}
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