1; RUN: mkdir -p %t 2; RUN: yaml2obj %S/Inputs/macho.yaml -o %t/macho.dylib 3; RUN: not llvm-tapi-diff %S/Inputs/v4A.tbd %t/macho.dylib 2>&1 | FileCheck %s 4 5; CHECK: error: {{.*}}macho.dylib' unsupported file format 6; CHECK-NOT: error: 7; CHECK-NOT: warning: 8