gc.realloc: If old block attributes are preserved, communicate them from reallocNoSync to realloc.
Enable per-thread errno on Solaris
Remove unused Thread.sm_clen variable.

It stored the size of the global context list, but that isn't used
explicitly anywhere.
Enable per-thread errno on Solaris
Add support for manipulating thread priority on Solaris
Add ucontext_t support to Solaris
Added comment for -D_REENTRANT
Merge pull request #862 from klickverbot/remove-sm_clen

Remove unused Thread.sm_clen variable.
remove thread.di header

- Use extern(D) bindings for the core.thread<->rt.tlsgc
  interface to avoid importing a rt module in core.
Merge pull request #860 from jasonbking/errno

Enable per-thread errno on Solaris
fix Issue 13034 - [Reg] core.stdc.stdio - deprecation warning with dmd -inline
Merge branch 'master' into thread_priority

Conflicts:
	posix.mak

Merged upstream
Final (hopefully) fixes
Merge pull request #866 from WalterBright/fix13034

fix Issue 13034 - [Reg] core.stdc.stdio - deprecation warning with ...
Merge pull request #844 from Safety0ff/reallocbits

gc.realloc: Improve case where old block attributes are preserved
Merge pull request #865 from MartinNowak/tlsgc_externD

remove thread.di header
Fix Issue 13057 - posix getopt variables in core/sys/posix/unistd.d should be marked __gshared
Mark threadasm.S as not requiring an executable stack.
Merge pull request #868 from klickverbot/threadasm-exec-stack

Mark threadasm.S as not requiring an executable stack.
Add ClassInfo flag for destructors.