Update compiler ids in Compiler-properties.md
@@ -27,6 +27,11 @@ The compiler object has a method called `get_id`, which returns a lower case str
| clang | The Clang compiler |
| msvc | Microsoft Visual Studio |
| intel | Intel compiler |
+| llvm | LLVM-based compiler (Swift, D) |
+| mono | Xamarin C# compiler |
+| dmd | D lang reference compiler |
+| rustc | Rust compiler |
+| valac | Vala compiler |
| pathscale | The Pathscale Fortran compiler |
| pgi | The Portland Fortran compiler |
| sun | Sun Fortran compiler |
