temp__a

Yeah, those steps are very difficult: step 1: put the line in any C++ project step 2: see the error on the console Why did you ask for a more complicated way to reproduce, if you didn't even test what I had already provided?

I did not say, that it's a regression. It's a bug, in that version. Are you not able to reproduce it with that line?

Source parser error (SVN 11087