tree a7306ddc2b07491997113170bc2ad6c7b5dfdfd9
parent d1aa1cb29a6187e0209c8ab4075fe0a97ffb2dfb
author Ben Clayton <bclayton@google.com> 1681910667 +0000
committer Dawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com> 1681910667 +0000

tint/sem: Make BindingPoint optional

Reduces hops from sem -> ast, just to know whether the variable has a binding point.

Change-Id: I5620198e6f08b73d5a0171d95874f1a2dae5d93e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/127060
Reviewed-by: James Price <jrprice@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: James Price <jrprice@google.com>