could_be_empty_branch 2410 ext/pcre/pcrelib/pcre_compile.c       if (could_be_empty_branch(scode, endcode, utf, cd))
could_be_empty_branch 2466 ext/pcre/pcrelib/pcre_compile.c         if (!empty_branch && could_be_empty_branch(code, endcode, utf, cd))
could_be_empty_branch 2665 ext/pcre/pcrelib/pcre_compile.c   if (!could_be_empty_branch(bcptr->current_branch, endcode, utf, cd))
could_be_empty_branch 5418 ext/pcre/pcrelib/pcre_compile.c               if (could_be_empty_branch(scode, ketcode, utf, cd))