OP_FAIL           155 pcre/pcre_compile.cpp   { "F",      1, OP_FAIL },
OP_FAIL           156 pcre/pcre_compile.cpp   { "FAIL",   4, OP_FAIL },
OP_FAIL          4634 pcre/pcre_compile.cpp           *code++ = OP_FAIL;
OP_FAIL           640 pcre/pcre_exec.cpp     case OP_FAIL: