From 2483aa7a3c48415e034b4e7e74a4a7153c06066d Mon Sep 17 00:00:00 2001
From: zhiyuanzmj <260480378@qq.com>
Date: Tue, 1 Jul 2025 16:42:11 +0800
Subject: [PATCH 1/3] fix(compiler-core): Identifiers in function parameters
 should not be inferred as references

---
 .../compiler-core/__tests__/utils.spec.ts     | 21 ++++++++++++++++++-
 packages/compiler-core/src/babelUtils.ts      |  5 +++--
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/packages/compiler-core/__tests__/utils.spec.ts b/packages/compiler-core/__tests__/utils.spec.ts
index 2d377a271..5294c85c3 100644
--- a/packages/compiler-core/__tests__/utils.spec.ts
+++ b/packages/compiler-core/__tests__/utils.spec.ts
@@ -1,4 +1,9 @@
-import type { ExpressionNode, TransformContext } from '../src'
+import { babelParse, walkIdentifiers } from '@vue/compiler-sfc'
+import {
+  type ExpressionNode,
+  type TransformContext,
+  isReferencedIdentifier,
+} from '../src'
 import { type Position, createSimpleExpression } from '../src/ast'
 import {
   advancePositionWithClone,
@@ -115,3 +120,17 @@ test('toValidAssetId', () => {
     '_component_test_2797935797_1',
   )
 })
+
+describe('isReferencedIdentifier', () => {
+  test('Identifiers in function parameters should not be inferred as references', () => {
+    const ast = babelParse(`(({ title }) => [])`)
+    walkIdentifiers(
+      ast.program.body[0],
+      (node, parent, parentStack, isReference) => {
+        expect(isReference).toBe(false)
+        expect(isReferencedIdentifier(node, parent, parentStack)).toBe(false)
+      },
+      true,
+    )
+  })
+})
diff --git a/packages/compiler-core/src/babelUtils.ts b/packages/compiler-core/src/babelUtils.ts
index 52fabeea8..51614612b 100644
--- a/packages/compiler-core/src/babelUtils.ts
+++ b/packages/compiler-core/src/babelUtils.ts
@@ -122,7 +122,7 @@ export function isReferencedIdentifier(
     return false
   }
 
-  if (isReferenced(id, parent)) {
+  if (isReferenced(id, parent, parentStack[parentStack.length - 2])) {
     return true
   }
 
@@ -132,7 +132,8 @@ export function isReferencedIdentifier(
     case 'AssignmentExpression':
     case 'AssignmentPattern':
       return true
-    case 'ObjectPattern':
+    case 'ObjectProperty':
+      return parent.key !== id && isInDestructureAssignment(parent, parentStack)
     case 'ArrayPattern':
       return isInDestructureAssignment(parent, parentStack)
   }

From 7b0b5d1f10560d369c18a033a65d3903474ca154 Mon Sep 17 00:00:00 2001
From: zhiyuanzmj <260480378@qq.com>
Date: Tue, 1 Jul 2025 17:03:31 +0800
Subject: [PATCH 2/3] chore: typo

---
 packages/compiler-core/__tests__/utils.spec.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/compiler-core/__tests__/utils.spec.ts b/packages/compiler-core/__tests__/utils.spec.ts
index 5294c85c3..a5a7e2c85 100644
--- a/packages/compiler-core/__tests__/utils.spec.ts
+++ b/packages/compiler-core/__tests__/utils.spec.ts
@@ -122,7 +122,7 @@ test('toValidAssetId', () => {
 })
 
 describe('isReferencedIdentifier', () => {
-  test('Identifiers in function parameters should not be inferred as references', () => {
+  test('identifiers in function parameters should not be inferred as references', () => {
     const ast = babelParse(`(({ title }) => [])`)
     walkIdentifiers(
       ast.program.body[0],

From 891d80631a5f13970b69401ff403b4f9ed2edd77 Mon Sep 17 00:00:00 2001
From: zhiyuanzmj <260480378@qq.com>
Date: Tue, 1 Jul 2025 18:12:30 +0800
Subject: [PATCH 3/3] chore: add expect.assertions(4)

---
 packages/compiler-core/__tests__/utils.spec.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/compiler-core/__tests__/utils.spec.ts b/packages/compiler-core/__tests__/utils.spec.ts
index a5a7e2c85..000b10e11 100644
--- a/packages/compiler-core/__tests__/utils.spec.ts
+++ b/packages/compiler-core/__tests__/utils.spec.ts
@@ -123,6 +123,7 @@ test('toValidAssetId', () => {
 
 describe('isReferencedIdentifier', () => {
   test('identifiers in function parameters should not be inferred as references', () => {
+    expect.assertions(4)
     const ast = babelParse(`(({ title }) => [])`)
     walkIdentifiers(
       ast.program.body[0],