1 // { dg-do preprocess } 2 // { dg-options "-std=gnu99 -fdiagnostics-show-option -Werror=cpp" { target c } } 3 // { dg-options "-fdiagnostics-show-option -Werror=cpp" { target c++ } } 4 /* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */ 5 #warning "Printed" // { dg-error "\"Printed\" .-Werror=cpp." } 6