DMD 1.001 release

[Walter Bright]

Tomas Lindquist Olsen wrote:
> Let me clarify what I mean. Consider this code:
> 
> import std.gc;
> 
> void test()
> {
> 	void[] buf = new void[1024];
> 	std.gc.hasNoPointers(ret.ptr);
> 	// invoking gc will not scan buf. ok
> 	buf.length = buf.length*2;
> 	// could invoking gc now potentially scan buf?
> }
> 
> I'm thinking how to make sure a void[] is _never_ scanned.
> A somewhat realistic case for this would be (again) the std.file.read
> function.
> If we append some data to this buffer will the GC be smart enough to
> know it still holds no pointers? That is even with the reallocation and
> potential relocation.

It'll reallocate based on the type of buf, which is void[], so you'll 
need to invoke gc.hasNoPointers again.

> Is a ubyte[] safe from this problem? (if it even exists)

ubyte[]s won't get scanned for pointers.