Roll Tint from fe70c75bc573 to 4649377d0575 (10 revisions)

https://dawn.googlesource.com/tint.git/+log/fe70c75bc573..4649377d0575

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 alanbaker@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: alanbaker@google.com
Change-Id: Ife30fda06c27a34af8a322f96d1cb4c50b5b23e2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/48180
Reviewed-by: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 01eaea3..701983b 100644
--- a/DEPS
+++ b/DEPS
@@ -96,7 +96,7 @@
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@fe70c75bc573707ff461badbf0aa807096f6fb28',
+    'url': '{dawn_git}/tint@4649377d0575a0ae8c314ee6235fa0cd55413e22',
   },
 
   # GLFW for tests and samples