extern void
-storeRange(uint32_t start, uint32_t end, UStringPrepType type,UErrorCode* status){
+storeRange(uint32_t start, uint32_t end, UStringPrepType type, UErrorCode* status){
+ (void)status; // suppress compiler warnings about unused variable
uint16_t trieWord = 0;
if((int)(_SPREP_TYPE_THRESHOLD + type) > 0xFFFF){