llvm-project/clang/test/SemaCXX/for-range-unused.cpp

22 lines
471 B
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11 -Wunused
// PR9968: We used to warn that __range is unused in a dependent for-range.
template <typename T>
struct Vector {
void doIt() {
int a; // expected-warning {{unused variable 'a'}}
for (auto& e : elements) // expected-warning {{unused variable 'e'}}
;
}
T elements[10];
};
int main(int, char**) {
Vector<int> vector;
vector.doIt(); // expected-note {{here}}
}