[wasm] Check strict type equality for Tag imports

thibaudmichaud · V8 LUCI CQ · commit f612d9a40b19 · 2024-09-17T16:06:09.000Z
R=manoskouk@chromium.org Fixed: 365802567 Change-Id: I38d70f157f9a78fe56eb0c377776dfe794872473 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5868875 Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> Reviewed-by: Manos Koukoutos <manoskouk@chromium.org> Cr-Commit-Position: refs/heads/main@{#96143}
diff --git a/src/wasm/wasm-objects.cc b/src/wasm/wasm-objects.cc
@@ -2117,8 +2117,8 @@ Handle<WasmTagObject> WasmTagObject::New(
 }
 
 bool WasmTagObject::MatchesSignature(uint32_t expected_canonical_type_index) {
-  return wasm::GetWasmEngine()->type_canonicalizer()->IsCanonicalSubtype(
-      this->canonical_type_index(), expected_canonical_type_index);
+  return static_cast<uint32_t>(this->canonical_type_index()) ==
+         expected_canonical_type_index;
 }
 
 const wasm::FunctionSig* WasmCapiFunction::GetSignature(Zone* zone) const {

Original file line number	Diff line number	Diff line change
`@@ -2117,8 +2117,8 @@ Handle<WasmTagObject> WasmTagObject::New(`
`2117`	`2117`	`}`
`2118`	`2118`
`2119`	`2119`	`bool WasmTagObject::MatchesSignature(uint32_t expected_canonical_type_index) {`
`2120`		`- return wasm::GetWasmEngine()->type_canonicalizer()->IsCanonicalSubtype(`
`2121`		`- this->canonical_type_index(), expected_canonical_type_index);`
	`2120`	`+ return static_cast<uint32_t>(this->canonical_type_index()) ==`
	`2121`	`+ expected_canonical_type_index;`
`2122`	`2122`	`}`
`2123`	`2123`
`2124`	`2124`	`const wasm::FunctionSig* WasmCapiFunction::GetSignature(Zone* zone) const {`