1*0a6a1f1dSLionel Sambuc // RUN: printf -- "-DX=A\nTHIS_SHOULD_NOT_EXIST_IN_THE_OUTPUT" | xargs -0 %clang -E %s | FileCheck -strict-whitespace %s 2*0a6a1f1dSLionel Sambuc // REQUIRES: shell 3*0a6a1f1dSLionel Sambuc 4*0a6a1f1dSLionel Sambuc // Per GCC -D semantics, \n and anything that follows is ignored. 5*0a6a1f1dSLionel Sambuc 6*0a6a1f1dSLionel Sambuc // CHECK: {{^START A END$}} 7*0a6a1f1dSLionel Sambuc START X END 8