Half way through debugging texture problems

src/dawnshared/util/memory.hpp

@@ -36,6 +36,7 @@ static inline void * memoryFillWithZero(const size_t size) {
  * @param pointer Pointer in memory to free.
  */
 static inline void memoryFree(void *pointer) {
+  assertNotNull(pointer);
   free(pointer);
 }