shrinker checked in (fwd)

Stephen Weeks MLton@sourcelight.com
Wed, 14 Nov 2001 14:33:17 -0800


> Did this reach you guys?  I got a weird undeliverable message.

Nope, I hadn't seen it.

> More clues: in CPS, the Failure exception carries string, while in SSA it
> carries (string, unit ref).  So, something in useless (that's the only
> pass that might figure out that the unit ref is the same everywhere?).

Constant propagation moves refs to toplevel if it can prove they are
only allocated once.