[Bug bootstrap/101834] make distclean forgets ./c++tools/

[segher at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101834

--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> ---
I never build in the source tree.  I use distclean a lot.