[hack] Handle func_get_args and similar
[hack] Handle func_get_args and similar

Summary: Handle func_get_args and similar by aliasing them to the actual SystemLib routines that need to be called.

Reviewed By: @int3

Differential Revision: D2377238

mcanthony/flow-type,KevinTCoughlin/flow,darioajr/flow,JonathanUsername/flow,mcanthony/flow-type,popham/flow,mroch/flow,Wanderfalke/flow,chenglou/flow,MichaelDeBoey/flow,Wanderfalke/flow,claudiopro/flow,ylu1317/flow,paulshen/flow,chenglou/flow,jeffmo/flow,d14b3l/flow,Fresheyeball/flow,samwgoldman/flow,shiftcars/flow,Wanderfalke/flow,Fresheyeball/flow,Wanderfalke/flow,Drooids/flow,cesarandreu/flow,CJstar/flow,siddhartharay007/flow,samwgoldman/flow,jeffutter/flow,gabro/flow,TiddoLangerak/flow,gabelevi/flow,AgentME/flow,facebook/flow,fletcherw/flow,graue/flow,siddhartharay007/flow,popham/flow,mcanthony/flow-type,AprilArcus/flow,d14b3l/flow,jeffutter/flow,CJstar/flow,chenglou/flow,JohnyDays/flow,JohnyDays/flow,CJstar/flow,popham/flow,nmote/flow,ForbesLindesay/flow,jamesgpearce/flow,gabro/flow,AgentME/flow,TiddoLangerak/flow,jdelStrother/flow,Fresheyeball/flow,JonathanUsername/flow,ForbesLindesay/flow,jgrund/flow,nmote/flow,ylu1317/flow,nmote/flow,facebook/flow,JonathanUsername/flow,samwgoldman/flow,mroch/flow,jgrund/flow,CJstar/flow,claudiopro/flow,OCamlPro/flow,AprilArcus/flow,siddhartharay007/flow,jdelStrother/flow,mroch/flow,gabro/flow,jdelStrother/flow,gabro/flow,JonathanUsername/flow,danvk/flow,MichaelDeBoey/flow,jeffmo/flow,samwgoldman/flow,AprilArcus/flow,chenglou/flow,ylu1317/flow,ForbesLindesay/flow,KevinTCoughlin/flow,facebook/flow,ForbesLindesay/flow,samwgoldman/flow,jeffmo/flow,AprilArcus/flow,shiftcars/flow,OCamlPro/flow,jamesgpearce/flow,danvk/flow,claudiopro/flow,MichaelDeBoey/flow,cesarandreu/flow,jgrund/flow,dv/flow,danvk/flow,fletcherw/flow,Drooids/flow,gabelevi/flow,Drooids/flow,graue/flow,popham/flow,nmote/flow,gabelevi/flow,facebook/flow,fletcherw/flow,popham/flow,mroch/flow,jamesgpearce/flow,gabelevi/flow,MichaelDeBoey/flow,claudiopro/flow,gabelevi/flow,jeffmo/flow,d14b3l/flow,mroch/flow,facebook/flow,dv/flow,fletcherw/flow,nmote/flow,jgrund/flow,shiftcars/flow,KevinTCoughlin/flow,graue/flow,darioajr/flow,darioajr/flow,facebook/flow,chenglou/flow,claudiopro/flow,nmote/flow,dv/flow,cesarandreu/flow,gabro/flow,shiftcars/flow,danvk/flow,AgentME/flow,AgentME/flow,shiftcars/flow,TiddoLangerak/flow,jgrund/flow,AprilArcus/flow,popham/flow,shiftcars/flow,facebook/flow,gabelevi/flow,d14b3l/flow,samwgoldman/flow,jeffmo/flow,JonathanUsername/flow,chenglou/flow,JonathanUsername/flow,jdelStrother/flow,Eyyub/flow,JonathanUsername/flow,Eyyub/flow,jamesgpearce/flow,mroch/flow,dv/flow,mroch/flow,asivitz/flow,jamesgpearce/flow,asivitz/flow,paulshen/flow,JohnyDays/flow,OCamlPro/flow,jamesgpearce/flow,jeffutter/flow,darioajr/flow,TiddoLangerak/flow,asivitz/flow,Eyyub/flow,ylu1317/flow,jdelStrother/flow,OCamlPro/flow,d14b3l/flow,Eyyub/flow,mcanthony/flow-type,Fresheyeball/flow,KevinTCoughlin/flow,ForbesLindesay/flow,siddhartharay007/flow,ylu1317/flow,AprilArcus/flow,Drooids/flow,TiddoLangerak/flow,AgentME/flow,jeffutter/flow,graue/flow,fletcherw/flow,cesarandreu/flow,jeffmo/flow,jgrund/flow,fletcherw/flow,paulshen/flow,ForbesLindesay/flow,gabro/flow,graue/flow,samwgoldman/flow,MichaelDeBoey/flow,asivitz/flow,graue/flow,jamesgpearce/flow,jdelStrother/flow,popham/flow,gabelevi/flow,paulshen/flow,JohnyDays/flow,nmote/flow,d14b3l/flow