[Bug bootstrap/7125] libz is built even if configured with --with-system-zlib

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=7125

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #12 from H.J. Lu <hjl.tools at gmail dot com> ---
Works for me with GCC 5.