[llvm] [IR] Replace uses of IRBuilder::getInt8PtrTy with getPtrTy. NFC (PR #73154)

[Fangrui Song via llvm-commits]

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@@ -42,7 +42,7 @@ StructType *SanitizerStatReport::makeModuleStatsTy() {
 void SanitizerStatReport::create(IRBuilder<> &B, SanitizerStatKind SK) {
   Function *F = B.GetInsertBlock()->getParent();
   Module *M = F->getParent();
-  PointerType *Int8PtrTy = B.getInt8PtrTy();
+  PointerType *Int8PtrTy = B.getPtrTy();
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MaskRay wrote:

Or remove it if only used once

https://github.com/llvm/llvm-project/pull/73154