update zlib to 1.2.8
Mon Nov 23 18:26:00 GMT 2015
> In GCC zlib is only used for libjava; for binutils and gdb it is used when
> building without --with-system-zlib. This just updates zlib from 1.2.7 to
> 1.2.8 (released in 2013). Applies cleanly, libjava still builds and doesn't
> show any regressions in the testsuite. Ok to apply (even if we already are
> in stage3)?
> +2015-11-23 Matthias Klose <email@example.com>
> + * Imported zlib 1.2.8; merged local changes.
Should not be a problem for GDB, since we're not near branching time.
Out of curiosity, what prompted this update? Just to be in sync with
the latest? Or was there an actual bug that you hit which 1.2.8 fixes?
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