Suppress more DXC webgpu cts failures

Example failing build:
https://ci.chromium.org/ui/b/8771240958115155233

No-Try: true
Bug: 1467572
Change-Id: I0483385092a7da24b186b703bb5c4c252bf08f63
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/149321
Auto-Submit: Austin Eng <enga@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Kokoro: Austin Eng <enga@chromium.org>
diff --git a/webgpu-cts/expectations.txt b/webgpu-cts/expectations.txt
index 270d87d..8685ec8 100644
--- a/webgpu-cts/expectations.txt
+++ b/webgpu-cts/expectations.txt
@@ -763,6 +763,9 @@
 crbug.com/tint/0000 [ win10 webgpu-dxc-enabled ] webgpu:shader,execution,zero_init:compute,zero_init:* [ Failure ]
 crbug.com/tint/0000 [ win10 webgpu-dxc-enabled ] webgpu:shader,validation,expression,call,builtin,atan:* [ Failure ]
 crbug.com/tint/0000 [ win10 webgpu-dxc-enabled ] webgpu:shader,validation,expression,call,builtin,tan:* [ Failure ]
+crbug.com/tint/0000 [ win10 webgpu-dxc-enabled ] webgpu:shader,execution,expression,call,builtin,firstTrailingBit:i32:inputSource="const";vectorize=3 [ Failure ]
+crbug.com/tint/0000 [ win10 webgpu-dxc-enabled ] webgpu:shader,execution,expression,call,builtin,min:i32:inputSource="const";* [ Failure ]
+crbug.com/tint/0000 [ win10 webgpu-dxc-enabled ] webgpu:shader,execution,expression,unary,i32_conversion:i32:inputSource="const";* [ Failure ]
 
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 # New failures. Please triage: