Fix

src/main.c

@@ -248,17 +248,15 @@ void miniarena_test1(void)
     Assert(arena.first_free == arena_size);
     MemoryZero(ptr, arena_size);
     marena_temp_end(&checkpoint);
+    Assert(arena.first_free == 0);
     U32 *val = marena_push_type(&arena, U32);
     *val = 0xa0b0c0d0;
     printf("marena val %u\n", *val);
 
     printf("miniarena_test1,size %u bytes first_free %u\n", arena.size, arena.first_free);
-
-    Assert(arena.first_free == 0);
-
-
-
+    Assert(arena.first_free == sizeof(U32));
 }
+
 typedef struct PoolTest PoolTest;
 struct PoolTest{
     U32 n;