Input get immediately deleted after introducing concept


I have a very weird bug:

I have a source file that I can edit normally, but after introducing these lines to it:

template<typename T>
concept WriterConcept = requires (T t){ filename)
Every Input get in the whole get deleted instantly. I might type ";" and half a second later it is gone. If I delete the lines shown above it works fine again. How can I fix this?
1 comment


Please reproduce the issue and after that send the idea.log file (`Help | Show Log in...`) to clion-support at 


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