From a75d1c5c6242e91a73cc5ba01e6da620dea0b3d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=B6=E8=BF=9C=E6=96=B9?= <yangpanteng@gmail.com>
Date: Sat, 28 Oct 2023 15:22:03 +0800
Subject: [PATCH] fix(compiler-core): known global should be shadowed by local
 variables in expression rewrite (#9492)

fix #9482
---
 .../__snapshots__/transformExpressions.spec.ts.snap      | 4 ++--
 .../__tests__/transforms/transformExpressions.spec.ts    | 9 ++++++---
 .../compiler-core/src/transforms/transformExpression.ts  | 9 +++++++--
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/packages/compiler-core/__tests__/transforms/__snapshots__/transformExpressions.spec.ts.snap b/packages/compiler-core/__tests__/transforms/__snapshots__/transformExpressions.spec.ts.snap
index c72e0229832..504c866e128 100644
--- a/packages/compiler-core/__tests__/transforms/__snapshots__/transformExpressions.spec.ts.snap
+++ b/packages/compiler-core/__tests__/transforms/__snapshots__/transformExpressions.spec.ts.snap
@@ -2,7 +2,7 @@
 
 exports[`compiler: expression transform > bindingMetadata > inline mode 1`] = `
 "(_ctx, _cache) => {
-  return (_openBlock(), _createElementBlock(\\"div\\", null, _toDisplayString(__props.props) + \\" \\" + _toDisplayString(_unref(setup)) + \\" \\" + _toDisplayString(setupConst) + \\" \\" + _toDisplayString(_ctx.data) + \\" \\" + _toDisplayString(_ctx.options), 1 /* TEXT */))
+  return (_openBlock(), _createElementBlock(\\"div\\", null, _toDisplayString(__props.props) + \\" \\" + _toDisplayString(_unref(setup)) + \\" \\" + _toDisplayString(setupConst) + \\" \\" + _toDisplayString(_ctx.data) + \\" \\" + _toDisplayString(_ctx.options) + \\" \\" + _toDisplayString(isNaN.value), 1 /* TEXT */))
 }"
 `;
 
@@ -10,6 +10,6 @@ exports[`compiler: expression transform > bindingMetadata > non-inline mode 1`]
 "const { toDisplayString: _toDisplayString, openBlock: _openBlock, createElementBlock: _createElementBlock } = Vue
 
 return function render(_ctx, _cache, $props, $setup, $data, $options) {
-  return (_openBlock(), _createElementBlock(\\"div\\", null, _toDisplayString($props.props) + \\" \\" + _toDisplayString($setup.setup) + \\" \\" + _toDisplayString($data.data) + \\" \\" + _toDisplayString($options.options), 1 /* TEXT */))
+  return (_openBlock(), _createElementBlock(\\"div\\", null, _toDisplayString($props.props) + \\" \\" + _toDisplayString($setup.setup) + \\" \\" + _toDisplayString($data.data) + \\" \\" + _toDisplayString($options.options) + \\" \\" + _toDisplayString($setup.isNaN), 1 /* TEXT */))
 }"
 `;
diff --git a/packages/compiler-core/__tests__/transforms/transformExpressions.spec.ts b/packages/compiler-core/__tests__/transforms/transformExpressions.spec.ts
index 686794c23ab..f8b82396b08 100644
--- a/packages/compiler-core/__tests__/transforms/transformExpressions.spec.ts
+++ b/packages/compiler-core/__tests__/transforms/transformExpressions.spec.ts
@@ -506,7 +506,8 @@ describe('compiler: expression transform', () => {
       data: BindingTypes.DATA,
       options: BindingTypes.OPTIONS,
       reactive: BindingTypes.SETUP_REACTIVE_CONST,
-      literal: BindingTypes.LITERAL_CONST
+      literal: BindingTypes.LITERAL_CONST,
+      isNaN: BindingTypes.SETUP_REF
     }
 
     function compileWithBindingMetadata(
@@ -522,10 +523,11 @@ describe('compiler: expression transform', () => {
 
     test('non-inline mode', () => {
       const { code } = compileWithBindingMetadata(
-        `<div>{{ props }} {{ setup }} {{ data }} {{ options }}</div>`
+        `<div>{{ props }} {{ setup }} {{ data }} {{ options }} {{ isNaN }}</div>`
       )
       expect(code).toMatch(`$props.props`)
       expect(code).toMatch(`$setup.setup`)
+      expect(code).toMatch(`$setup.isNaN`)
       expect(code).toMatch(`$data.data`)
       expect(code).toMatch(`$options.options`)
       expect(code).toMatch(`_ctx, _cache, $props, $setup, $data, $options`)
@@ -534,7 +536,7 @@ describe('compiler: expression transform', () => {
 
     test('inline mode', () => {
       const { code } = compileWithBindingMetadata(
-        `<div>{{ props }} {{ setup }} {{ setupConst }} {{ data }} {{ options }}</div>`,
+        `<div>{{ props }} {{ setup }} {{ setupConst }} {{ data }} {{ options }} {{ isNaN }}</div>`,
         { inline: true }
       )
       expect(code).toMatch(`__props.props`)
@@ -542,6 +544,7 @@ describe('compiler: expression transform', () => {
       expect(code).toMatch(`_toDisplayString(setupConst)`)
       expect(code).toMatch(`_ctx.data`)
       expect(code).toMatch(`_ctx.options`)
+      expect(code).toMatch(`isNaN.value`)
       expect(code).toMatchSnapshot()
     })
 
diff --git a/packages/compiler-core/src/transforms/transformExpression.ts b/packages/compiler-core/src/transforms/transformExpression.ts
index eab6b237f13..52d1fb42a13 100644
--- a/packages/compiler-core/src/transforms/transformExpression.ts
+++ b/packages/compiler-core/src/transforms/transformExpression.ts
@@ -227,10 +227,15 @@ export function processExpression(
     const isScopeVarReference = context.identifiers[rawExp]
     const isAllowedGlobal = isGloballyAllowed(rawExp)
     const isLiteral = isLiteralWhitelisted(rawExp)
-    if (!asParams && !isScopeVarReference && !isAllowedGlobal && !isLiteral) {
+    if (
+      !asParams &&
+      !isScopeVarReference &&
+      !isLiteral &&
+      (!isAllowedGlobal || bindingMetadata[rawExp])
+    ) {
       // const bindings exposed from setup can be skipped for patching but
       // cannot be hoisted to module scope
-      if (isConst(bindingMetadata[node.content])) {
+      if (isConst(bindingMetadata[rawExp])) {
         node.constType = ConstantTypes.CAN_SKIP_PATCH
       }
       node.content = rewriteIdentifier(rawExp)