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[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.dg / cpp / warn-trigraphs-4.c
1 // { dg-do preprocess }
2 // { dg-options "-std=gnu99 -fdiagnostics-show-option -Werror=trigraphs" }
3
4 ??=  // { dg-error "trigraph \\?\\?= ignored, use -trigraphs to enable .-Wtrigraphs." }