File size calculation, Int64, and differences between 32bit and 64bit

Question

I had problems with the following code:

var
  FileSize : Int64;
...
FileSize := Info.nFileSizeLow or (Info.nFileSizeHigh shl 32);

I expecte

Answer 1

test on Delphi 7 and version 2 is OK. Must be bug of later version