[build2] Same assertion failure on macOS (clang++) and Debian linux (g++)

[Boris Kolpackov]

Chase Metzger <chasemetzger15 at gmail.com> writes:

> I tried building build2 with cl (Visual Studio) on Windows and I get
> compilation errors during the bootstrap phase.
> 
> My cl version is:
> 
> Microsoft (R) C/C++ Optimizing Compiler Version 19.13.26129 for x64
> 
> here's what the errors all look like for the most part:
> 
> /function.hxx(124): error C2338: type is not POD (compiling source
> file functions-builtin.cxx)

0.6.2 was released before this version of VC (15.6). The latest staged
version of build2 should work:

https://stage.build2.org/0/

Boris