HLint "Redundant <x>" suggestions often create garbled code

[ZosoDerGoldene]

Moreover, they change with every mouse over (and if you apply them, they are applied as shown at that moment)
E.g.:

[rikvdkleij]

I need to be able to reproduce this issue.

[mnn]

This happens to me too. In my case it's when I have the hint present, change code around or inside the yellow squiggly lines and then apply (I guess it uses old linter position and doesn't wait for results for the changed code).