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1RUN: printf '\201rforpl\377' > %t2RUN: not llvm-profdata show %t 2>&1 | FileCheck %s3RUN: printf '\377lprofr\201' > %t4RUN: not llvm-profdata show %t 2>&1 | FileCheck %s5 6CHECK: error: {{.+}}: invalid instrumentation profile data (file header is corrupt)7