> advantage of the dotnet compiler optimizations That's mostly constant folding and a bit of peephole optimization; the CLI JIT or AOT compilers do most optimi

> advantage of the dotnet compiler optimizations That's mostly constant folding and a bit of peephole optimization; the CLI JIT or AOT compilers do most optimizations on the CIL level. > so compiler would still be the most accurate word to describe it Well, you do a source-to-source translation from Cobol to C#. The terminology is fuzzy, but usually we call it a transpiler if the output is yet another high-level programming language. But who cares.