Advent of bugfixes

[tchaloupka]

On Wednesday, 11 December 2019 at 07:24:13 UTC, berni44 wrote:
> 10. day: 15 bugs were removed (issues 4586, 4589, 4606, 5488, 
> 8867, 13560, 15048, 17187, 18248, 18411, 19302, 19493, 19533, 
> 20331, 20411)
>
> Real fixes:
> Issue 18248 - radix overload of std.conv.parse fails to throw 
> on non-empty range
>               without number
> Issue 20331 - checkaction=context segfaults when calling 
> function literal

Thank you, great effort!
This might be another candidate to just close: 
https://issues.dlang.org/show_bug.cgi?id=15751 but might be 
better to add some tests for that first?