Copying and printing the copy

base_arena.cpp

@@ -79,7 +79,6 @@ arena_push_size(Arena *a, size_t size) {
 #define push_struct_copy(a, T, p) (T *)push_copy(a, p, sizeof(T))
 CORE_Static void *
 push_copy(Arena *a, void *p, size_t size) {
-    if (p == 0) return 0;
     void *result = arena_push_size(a, size);
     memory_copy(result, p, size);
     return result;