1*67e74705SXin Li // RUN: printf -- "-DX=A\nTHIS_SHOULD_NOT_EXIST_IN_THE_OUTPUT" | xargs -0 %clang -E %s | FileCheck -strict-whitespace %s 2*67e74705SXin Li 3*67e74705SXin Li // Per GCC -D semantics, \n and anything that follows is ignored. 4*67e74705SXin Li 5*67e74705SXin Li // CHECK: {{^START A END$}} 6*67e74705SXin Li START X END 7