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