[clang] Fix error that reference to PointerType is ambiguous in clang/lib/Analysis/UnsafeBufferUsage.cpp (PR #142966)

[Abhina Sree via cfe-commits]

https://github.com/abhina-sree updated https://github.com/llvm/llvm-project/pull/142966

>From f536c944cf6526676e5034471ff238b1ce3b0d13 Mon Sep 17 00:00:00 2001
From: Abhina Sreeskantharajan <Abhina.Sreeskantharajan at ibm.com>
Date: Thu, 5 Jun 2025 09:41:54 -0400
Subject: [PATCH] fix error that reference to PointerType is ambiguous

---
 clang/lib/Analysis/UnsafeBufferUsage.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/clang/lib/Analysis/UnsafeBufferUsage.cpp b/clang/lib/Analysis/UnsafeBufferUsage.cpp
index ec648e1a17af9..ecd67c19ee62f 100644
--- a/clang/lib/Analysis/UnsafeBufferUsage.cpp
+++ b/clang/lib/Analysis/UnsafeBufferUsage.cpp
@@ -247,11 +247,11 @@ class MatchDescendantVisitor : public DynamicRecursiveASTVisitor {
 
 // Because we're dealing with raw pointers, let's define what we mean by that.
 static bool hasPointerType(const Expr &E) {
-  return isa<PointerType>(E.getType().getCanonicalType());
+  return isa<clang::PointerType>(E.getType().getCanonicalType());
 }
 
 static bool hasArrayType(const Expr &E) {
-  return isa<ArrayType>(E.getType().getCanonicalType());
+  return isa<clang::ArrayType>(E.getType().getCanonicalType());
 }
 
 static void
@@ -968,7 +968,8 @@ static bool hasUnsafePrintfStringArg(const CallExpr &Node, ASTContext &Ctx,
   if (!FirstParmTy->isPointerType())
     return false; // possibly some user-defined printf function
 
-  QualType FirstPteTy = FirstParmTy->castAs<PointerType>()->getPointeeType();
+  QualType FirstPteTy =
+      FirstParmTy->castAs<clang::PointerType>()->getPointeeType();
 
   if (!Ctx.getFILEType()
            .isNull() && //`FILE *` must be in the context if it is fprintf
@@ -1052,7 +1053,8 @@ static bool hasUnsafeSnprintfBuffer(const CallExpr &Node,
   if (!FirstParmTy->isPointerType())
     return false; // Not an snprint
 
-  QualType FirstPteTy = FirstParmTy->castAs<PointerType>()->getPointeeType();
+  QualType FirstPteTy =
+      FirstParmTy->castAs<clang::PointerType>()->getPointeeType();
   const Expr *Buf = Node.getArg(0), *Size = Node.getArg(1);
 
   if (FirstPteTy.isConstQualified() || !Buf->getType()->isPointerType() ||