From 16e822a3bb90bb1711881a7703538b9b76076e35 Mon Sep 17 00:00:00 2001
From: David Neto <dneto@google.com>
Date: Thu, 25 Jul 2024 14:10:37 -0400
Subject: [PATCH] phony assignment is not valid at module scope (#3876)

---
 src/webgpu/listing_meta.json                         | 1 +
 src/webgpu/shader/validation/statement/phony.spec.ts | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/src/webgpu/listing_meta.json b/src/webgpu/listing_meta.json
index 272b97a69d29..89760b89db0b 100644
--- a/src/webgpu/listing_meta.json
+++ b/src/webgpu/listing_meta.json
@@ -2695,6 +2695,7 @@
   "webgpu:shader,validation,statement,increment_decrement:var_init_type:*": { "subcaseMS": 270.034 },
   "webgpu:shader,validation,statement,loop:break_if_type:*": { "subcaseMS": 5.488 },
   "webgpu:shader,validation,statement,loop:parse:*": { "subcaseMS": 16.168 },
+  "webgpu:shader,validation,statement,phony:module_scope:*": { "subcaseMS": 0.381 },
   "webgpu:shader,validation,statement,phony:parse:*": { "subcaseMS": 149.639 },
   "webgpu:shader,validation,statement,phony:rhs_constructible:*": { "subcaseMS": 244.513 },
   "webgpu:shader,validation,statement,phony:rhs_with_decl:*": { "subcaseMS": 15.874 },
diff --git a/src/webgpu/shader/validation/statement/phony.spec.ts b/src/webgpu/shader/validation/statement/phony.spec.ts
index dfd8edc4c639..95a471e85ec6 100644
--- a/src/webgpu/shader/validation/statement/phony.spec.ts
+++ b/src/webgpu/shader/validation/statement/phony.spec.ts
@@ -170,3 +170,10 @@ fn f() {
 }`;
     t.expectCompileResult(kTests[t.params.test].pass, code);
   });
+
+g.test('module_scope')
+  .desc(`Phony assignment is not valid at module scope`)
+  .fn(t => {
+    const code = `_ = 1; `;
+    t.expectCompileResult(false, code);
+  });