gcc-4.9/gcc/testsuite/gcc.dg/cpp/pr27777.c


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/* PR preprocessor/27777 */
/* { dg-do preprocess } */
/* { dg-options { -trigraphs -Wall } } */

#error "BUG??!"

/* { dg-error "BUG" "" { target *-*-* } 5 } */
/* { dg-warning "trigraph" "" { target *-*-* } 5 } */