* changes:
[automerger] Optimise the hit test algorithm am: 71ecf5bd5c am: 42eaa8f932 am: a72cb45f89
[automerger] Optimise the hit test algorithm am: 71ecf5bd5c am: 42eaa8f932
[automerger] Optimise the hit test algorithm am: 71ecf5bd5c
Optimise the hit test algorithm