compile_single_pattern 1551 pcre/pcregrep.cpp       return compile_single_pattern(pattern, options, filename, count);
compile_single_pattern 1554 pcre/pcregrep.cpp     if (!compile_single_pattern(buffer, options, filename, count))
compile_single_pattern 1558 pcre/pcregrep.cpp else return compile_single_pattern(pattern, options, filename, count);