tree a50ba3ee8f1c342d89c88347676276778d9a79a6
parent ec5083e49bea8fdd25a3df9b93f35374f524c7df
author Alexandru Moșoi <brtzsnr@gmail.com> 1459464853 +0200
committer Alexandru Moșoi <alexandru@mosoi.ro> 1459467131 +0000

cmd/compile: constant fold ANDs.

ANDQConst show up occassionally because of right shifting lowering.
ORs and XORs are already folded properly during generic.

Change-Id: I2f9134679555029c641264ce5333d70e167c65f7
Reviewed-on: https://go-review.googlesource.com/21375
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Alexandru Moșoi <alexandru@mosoi.ro>
TryBot-Result: Gobot Gobot <gobot@golang.org>