Fix a segfault when auto-calling a "a@{...}" function
Fix a segfault when auto-calling a "a@{...}" function

Since the called function can return its argument attribute set
(e.g. "a"), the latter should not be allocated on the stack.

Reported by Shea.

aucampia/nix,dezgeg/nix,ttuegel/nix,peti/nix,joelmo/nix,garbas/nix,gridaphobe/nix,dtzWill/nix,ysangkok/nix,shlevy/nix,nbp/nix,vcunat/nix,NixOS/nix,zimbatm/nix,gridaphobe/nix,dtzWill/nix,garbas/nix,vcunat/nix,ehmry/nix,bennofs/nix,vcunat/nix,edolstra/nix,acowley/nix,garbas/nix,wmertens/nix,ysangkok/nix,dtzWill/nix,gebner/nix,puffnfresh/nix,edolstra/nix,rowhit/nix,bjornfor/nix,gridaphobe/nix,edolstra/nix,vizanto/nix,jcumming/nix,rycee/nix,shlevy/nix,dezgeg/nix,dtzWill/nix,wmertens/nix,ttuegel/nix,bennofs/nix,dezgeg/nix,peti/nix,puffnfresh/nix,layus/nix,ysangkok/nix,zimbatm/nix,vizanto/nix,puffnfresh/nix,jcumming/nix,dezgeg/nix,puffnfresh/nix,peti/nix,acowley/nix,joelmo/nix,shlevy/nix,bennofs/nix,tchajed/nix,garbas/nix,dtzWill/nix,gebner/nix,layus/nix,offlinehacker/nix,gebner/nix,edolstra/nix,peti/nix,NixOS/nix,ttuegel/nix,vizanto/nix,NixOS/nix,wmertens/nix,gridaphobe/nix,zimbatm/nix,acowley/nix,nbp/nix,nbp/nix,bjornfor/nix,shlevy/nix,vizanto/nix,pikajude/nix,bjornfor/nix,gebner/nix,tchajed/nix,rycee/nix,rowhit/nix,zimbatm/nix,aucampia/nix,layus/nix,tchajed/nix,offlinehacker/nix,jcumming/nix,offlinehacker/nix,aucampia/nix,nbp/nix,dezgeg/nix,ehmry/nix,rycee/nix,rowhit/nix,layus/nix,bjornfor/nix,NixOS/nix,rycee/nix,rycee/nix,ttuegel/nix,pikajude/nix,bennofs/nix,peti/nix,offlinehacker/nix,ehmry/nix,rowhit/nix,aucampia/nix,tchajed/nix,vcunat/nix,wmertens/nix,acowley/nix,joelmo/nix,pikajude/nix,ehmry/nix,layus/nix,jcumming/nix,ehmry/nix,NixOS/nix,joelmo/nix,shlevy/nix,edolstra/nix,garbas/nix,ehmry/nix