Bug#968734: chiark-tcl: FTBFS with optimization level -O3 and gcc-10 on s390x

[Ian Jackson]

Gianfranco Costamagna writes ("Bug#968734: chiark-tcl: FTBFS with optimization 
level -O3 and gcc-10 on s390x"):
> Hello, this worked too!

Thanks for checking.  I hope to upload this at some point soon.

Ian.