[clang] [analyzer] Add an ownership change visitor to StreamChecker (PR #94957)

[Kristóf Umann via cfe-commits]

Szelethus wrote:

> > > I did not find a similar test for `MallocChecker` but there could be one with similar test functions.
> > 
> > 
> > I'm not sure what tests you are referring to. I did fix your other observations.
> 
> I meant another test file where the `NoStateChangeFuncVisitor` is tested (if there is any case for it).

Oh, I see. The `MallocChecker` visitor is tested in `clang/test/Analysis/NewDeleteLeaks.cpp`. Evaluations are on the way.

https://github.com/llvm/llvm-project/pull/94957