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// RUN: %clang_cc1 -std=c++1z -verify %s
namespace std_example {
struct [[nodiscard]] error_info{
// ...
};
error_info enable_missile_safety_mode();
void launch_missiles();
void test_missiles() {
enable_missile_safety_mode(); // expected-warning {{ignoring return value of function declared with 'nodiscard'}}
launch_missiles();
}
error_info &foo();
void f() { foo(); } // no warning
}
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