Roll Tint from eb496d0a4d to 80cb20de7c (3 revisions)

https://dawn.googlesource.com/tint.git/+log/eb496d0a4d51..80cb20de7ca4

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/tint-dawn
Please CC dsinclair@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Bug: None
Tbr: dsinclair@google.com
Change-Id: I564ca9b68092a3b16f25fa829c70014355b46eec
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/42480
Reviewed-by: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -64,7 +64,7 @@ deps = {
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@eb496d0a4d516615c9d544a6eaf7d4bc80958bc3',
+    'url': '{dawn_git}/tint@80cb20de7ca4f16ee21ee2e031913bd1c30a1d1e',
     'condition': 'dawn_standalone',
   },