Use onig_new_without_alloc for onig_new

regcomp.c

@@ -6073,20 +6073,15 @@ onig_new(regex_t** reg, const UChar* pattern, const UChar* pattern_end,
 	  OnigOptionType option, OnigEncoding enc, const OnigSyntaxType* syntax,
 	  OnigErrorInfo* einfo)
 {
-  int r;
-
   *reg = (regex_t* )xmalloc(sizeof(regex_t));
   if (IS_NULL(*reg)) return ONIGERR_MEMORY;
 
-  r = onig_reg_init(*reg, option, ONIGENC_CASE_FOLD_DEFAULT, enc, syntax);
-  if (r) goto err;
-
-  r = onig_compile(*reg, pattern, pattern_end, einfo);
+  int r = onig_new_without_alloc(*reg, pattern, pattern_end, option, enc, syntax, einfo);
   if (r) {
-  err:
     onig_free(*reg);
     *reg = NULL;
   }
+
   return r;
 }