tree e541f986b795ce31f1f45dbc09ec032532c1ad02
parent 97b98619e818b2cd8896ca4b2b15e3cb902bdcd4
author dan sinclair <dsinclair@chromium.org> 1673141490 +0000
committer Dawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com> 1673141490 +0000

[ir] Handle some unexpected ast nodes.

This CL adds diagnostics for the ast nodes which would come before
override substitution. The struct member attributes are marked as ICE as
they should never be encountered. The Struct declaration is ignored as
we will get the `type::Struct` from the semantic usage.

Bug: tint:1718
Change-Id: I8c51787f1455d02e822f222f43a9606a844eed3c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/116549
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>