https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88989
--- Comment #3 from G. Steinmetz <gs...@t-online.de> --- > Out of curiosity, are you fuzz testing? In the case of D, yes. > I had fixed this before in the D implementation branch. Oh, thanks. Commit was from 2018-01-14, i.e. over a year ago. That makes me wonder, when will gdc be synchronized with dmd ? Apart from that, I will try to find a few more tiny test cases, preferably easy to track ICEs.