wrong iseq conversion flag

src/dump.c

@@ -974,7 +974,7 @@ mrb_dump_irep_binary(mrb_state *mrb, mrb_irep *irep, int debug_info, FILE* fp)
     return MRB_DUMP_INVALID_ARGUMENT;
   }
 
-  result = dump_irep(mrb, irep, debug_info, &bin, &bin_size, FLAG_BYTEORDER_NATIVE);
+  result = dump_irep(mrb, irep, debug_info, &bin, &bin_size, FLAG_BYTEORDER_NONATIVE);
   if (result == MRB_DUMP_OK) {
     if (fwrite(bin, sizeof(bin[0]), bin_size, fp) != bin_size) {
       result = MRB_DUMP_WRITE_FAULT;

src/load.c

@@ -507,20 +507,22 @@ read_binary_header(const uint8_t *bin, size_t *bin_size, uint16_t *crc, mrb_bool
 {
   const struct rite_binary_header *header = (const struct rite_binary_header *)bin;
 
-  *byteorder = FALSE;
+  if (byteorder) *byteorder = FALSE;
   if (memcmp(header->binary_identify, RITE_BINARY_IDENTIFIER, sizeof(header->binary_identify)) != 0) {
-    uint32_t ident = 0;
-    size_t i;
+    if (byteorder) {
+      uint32_t ident = 0;
+      size_t i;
 
-    for(i=0; i<sizeof(ident); i++) {
-      ident<<=8;
-      ident|=RITE_BINARY_IDENTIFIER[i];
-    }
-    if (ident == *(uint32_t*)header->binary_identify) {
-      *byteorder = TRUE;
-    }
-    else {
-      return MRB_DUMP_INVALID_FILE_HEADER;
+      for(i=0; i<sizeof(ident); i++) {
+        ident<<=8;
+        ident|=RITE_BINARY_IDENTIFIER[i];
+      }
+      if (ident == *(uint32_t*)header->binary_identify) {
+        *byteorder = TRUE;
+      }
+      else {
+        return MRB_DUMP_INVALID_FILE_HEADER;
+      }
     }
   }