[vala] (7 commits) Non-fast-forward update to branch wip/issue/838

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/issue/838' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  16b237a... codegen: Inline allocated arrays don't require checking for
  f1f6f9e... codegen: Don't append unreachable clean-up section of Block
  051d808... codegen: Don't cause double-free due append_local_free() in
  4aab00a... codegen: Don't unconditionally add/return internal "result"
  c3bb4fd... DO NOT PUSH tests: Use -Werror=unreachable-code

Commits added to the branch:

  3d5b0b4... gio-2.0: Drop metadata for NativeSocketAddress (*)
  82aafab... gstreamer: Update from 1.17.0+ git master (*)
  a992fdc... codegen: Inline allocated arrays don't require checking for
  936faef... codegen: Don't append unreachable clean-up section of Block
  e2f188a... codegen: Don't cause double-free due append_local_free() in
  39f180a... codegen: Don't unconditionally add/return internal "result"
  89a2b2b... DO NOT PUSH tests: Use -Werror=unreachable-code

(*) This commit already existed in another branch; no separate mail sent