testroot.pristine creation falls over copying dynamic linker

[DJ Delorie]

Joseph Myers <joseph@codesourcery.com> writes:
> I have now done a MIPS test of this patch in the 
> --enable-hardcoded-path-in-tests case and confirmed it also works in that 
> case as well - of course in that case it copies libraries to paths under 
> <builddir>/testroot.pristine/<builddir> so that execution within the 
> testroot can find the libraries at the hardcoded paths.

Does that work?  IIRC I mount builddir into the testroot, so if you
create files under testroot/builddir from *outside* the testroot,
they'll get hidden when the container runs.