test DWARF32 and DWARF64 unit encodings

src/base/base_core.h

@@ -1011,6 +1011,7 @@ internal B32 memory_is_zero(void *ptr, U64 size);
 
 internal void memory_write16(void *ptr, U16 v);
 internal void memory_write32(void *ptr, U32 v);
+internal void memory_write64(void *ptr, U64 v);
 
 internal U8  memory_read8(void *ptr);
 internal U16 memory_read16(void *ptr);