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// { dg-do preprocess } // { dg-options "-std=gnu99 -fdiagnostics-show-option -Wcomments" } /* /* */ // { dg-warning "\"\.\*\" within comment .-Wcomment." } // \ // { dg-warning "multi-line comment .-Wcomment." "multi-line" { target *-*-* } 6 }