ensure volatile declaration for abandoned_next field

src/page-queue.c

@@ -130,6 +130,7 @@ extern inline uint8_t _mi_bin(size_t size) {
     // - adjust with 3 because we use do not round the first 8 sizes
     //   which each get an exact bin
     bin = ((b << 2) + (uint8_t)((wsize >> (b - 2)) & 0x03)) - 3;
+    mi_assert_internal(bin < MI_BIN_HUGE);
   }
   mi_assert_internal(bin > 0 && bin <= MI_BIN_HUGE);
   return bin;