[clang] [clang] Replace uses of CreatePointerBitCastOrAddrSpaceCast (NFC) (PR #68277)

[Youngsuk Kim via cfe-commits]

================
@@ -2138,6 +2138,8 @@ class IRBuilderBase {
     return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
   }
 
+  // With opaque pointers enabled, this is same as CreateAddressSpaceCast.
----------------
JOE1994 wrote:

```suggestion
  // With opaque pointers enabled, this can be substituted with CreateAddrSpaceCast.
```

https://github.com/llvm/llvm-project/pull/68277