[sysprof] (2 commits) Non-fast-forward update to branch wip/chergert/mem-preload

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/mem-preload' 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:

  ab072f7... memory: add preload to write out to sysprof capture
  500810c... tests: add simple test for memory alloc

Commits added to the branch:

  836892e... build: add -Wl,-z,relro -Wl,-z,defs and -Wl,-z,now link fla
  4afe6ed... memory: add preload to write out to sysprof capture