[clang][NFC] Pass const ASTContext& to CXXTypeidExpr API (#113083)

Author: tbaederr

clang/include/clang/AST/ExprCXX.h

@@ -876,13 +876,13 @@ class CXXTypeidExpr : public Expr {
 
   /// Best-effort check if the expression operand refers to a most derived
   /// object. This is not a strong guarantee.
-  bool isMostDerived(ASTContext &Context) const;
+  bool isMostDerived(const ASTContext &Context) const;
 
   bool isTypeOperand() const { return Operand.is<TypeSourceInfo *>(); }
 
   /// Retrieves the type operand of this typeid() expression after
   /// various required adjustments (removing reference types, cv-qualifiers).
-  QualType getTypeOperand(ASTContext &Context) const;
+  QualType getTypeOperand(const ASTContext &Context) const;
 
   /// Retrieve source information for the type operand.
   TypeSourceInfo *getTypeOperandSourceInfo() const {

clang/lib/AST/ExprCXX.cpp

@@ -147,7 +147,7 @@ bool CXXTypeidExpr::isPotentiallyEvaluated() const {
   return false;
 }
 
-bool CXXTypeidExpr::isMostDerived(ASTContext &Context) const {
+bool CXXTypeidExpr::isMostDerived(const ASTContext &Context) const {
   assert(!isTypeOperand() && "Cannot call isMostDerived for typeid(type)");
   const Expr *E = getExprOperand()->IgnoreParenNoopCasts(Context);
   if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) {
@@ -159,7 +159,7 @@ bool CXXTypeidExpr::isMostDerived(ASTContext &Context) const {
   return false;
 }
 
-QualType CXXTypeidExpr::getTypeOperand(ASTContext &Context) const {
+QualType CXXTypeidExpr::getTypeOperand(const ASTContext &Context) const {
   assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)");
   Qualifiers Quals;
   return Context.getUnqualifiedArrayType(