On Saturday 19 October 2024 12:59:31 GMT-7 Federico Kircheis via Std-
Discussion wrote:
> As an example, a class that logs in the destructor it's address and a
> string:
>
> https://godbolt.org/z/sb8n8fn1a

This one has a ODR violation: the symbol "instance" is defined in two TUs. It's
ill-formed.

> Same class, slightly different context:
>
> https://godbolt.org/z/Thv8xhc6Y

Also ODR violation for the same reason.

> Another example that shows the same behavior
>
> https://godbolt.org/z/ecPPq8vns

This is the exact same code as the previous one: lib0.cpp is linked twice into
your executable, therefore ODR violation.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Principal Engineer - Intel DCAI Platform & System Engineering