cmd/compile/internal/gc: convert fields of Symlink to bool
cmd/compile/internal/gc: convert fields of Symlink to bool

Convert two fields of struct Symlink in subr.go from uint8 to bool.

This change passes go build -toolexec 'toolstash -cmp' -a std.

Change-Id: I913006f41605b17b0d82fe358ee773f6ecaa681c
Reviewed-on: https://go-review.googlesource.com/14378
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>
Run-TryBot: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>

ImJasonH/go,CAFxX/go,jacobhaven/go,jacobsa/go,deft-code/go,linux-on-ibm-z/go,ganboing/go-esx,CarterTsai/go,mikekap/go,mwhudson/go,CAFxX/go,GeorgiCodes/go,cloudflare/go,likesea/go,cloudflare/go,alex-zhang/go,ericsnowcurrently/go,zhangg/go,cloudflare/go,josharian/go,momchil-velikov/go,ifagnosticism/go,arschles/golang-go,likesea/go,mikekap/go,beealone/go,xiuzhifu/go,samanalysis/go,nawawi/go,joshsammut/go,cookerzhu/go,dpatel06/go,chinanjjohn2012/go,goodlang/good,cyberroadie/go,ganboing/go-esx,cookerzhu/go,Endika/go,polyverse-security/go,Pulgafree/go,deft-code/go,josharian/go,gdey/go,mdp/go,Samurais/go,binarycrusader/go,ichu501/go,stormltf/go,alex-zhang/go,roth1002/go,vsekhar/elastic-go,NunoEdgarGub1/go,ericsnowcurrently/go,derekmarcotte/go,famorted/go,xujianhai/go,codestation/go,Badredapple/go,chinanjjohn2012/go,likesea/go,Jordanzuo/go,yasarkunduz/go,skatsuta/go,snowsnail/go,fjballest/golang,yasarkunduz/go,arschles/go-1,ichu501/go,b54898533/go,malvira/go,skatsuta/go,vanloswang/go,ganboing/go-esx,jdhenke/go,josharian/go,roth1002/go,yangzhongj/go,vsdutka/go,arschles/go-1,cookerzhu/go,arschles/go-1,myPublicGit/go,myPublicGit/go,b54898533/go,ericsnowcurrently/go,rachtsingh/gogojuice,goodlang/good,yasarkunduz/go,mdp/go,cookerzhu/go,ericsnowcurrently/go,roth1002/go,Endika/go,devpadawan/go,NunoEdgarGub1/go,gdey/go,4ad/go,rachtsingh/gogojuice,famorted/go,ifagnosticism/go,ifagnosticism/go,jacobhaven/go,xujianhai/go,golang/go,arschles/golang-go,dpatel06/go,4ad/go,Cofyc/go,skatsuta/go,dpatel06/go,theif519/go,linux-on-ibm-z/go,Endika/go,dpatel06/go,Samurais/go,jdhenke/go,zhangg/go,likesea/go,Endika/go,malvira/go,danielsoro/go,xujianhai/go,xiuzhifu/go,NunoEdgarGub1/go,GeorgiCodes/go,Badredapple/go,sndnvaps/go,jonasi/go,golang/go,ichu501/go,Badredapple/go,akutz/go,Pulgafree/go,vsekhar/elastic-go,ifagnosticism/go,dterei/go,danielsoro/go,beealone/go,devpadawan/go,xiuzhifu/go,kim-racktop/go,miolini/go,binarycrusader/go,linux-on-ibm-z/go,vanloswang/go,ImJasonH/go,Badredapple/go,dterei/go,Jordanzuo/go,dterei/go,goodlang/good,zhangg/go,nawawi/go,GeorgiCodes/go,arschles/go-1,momchil-velikov/go,CarterTsai/go,akutz/go,suncycheng/go,alex-zhang/go,samanalysis/go,josharian/go,CAFxX/go,deft-code/go,akutz/go,alex-zhang/go,jonasi/go,yangzhongj/go,codestation/go,beealone/go,yasarkunduz/go,theif519/go,ericsnowcurrently/go,jonasi/go,odeke-em/go,kim-racktop/go,arschles/go-1,Pulgafree/go,joshsammut/go,goodlang/good,jonasi/go,jdhenke/go,akutz/go,codestation/go,alex-zhang/go,dpatel06/go,yasarkunduz/go,momchil-velikov/go,Pulgafree/go,CarterTsai/go,gdey/go,momchil-velikov/go,jacobsa/go,GeorgiCodes/go,vsekhar/elastic-go,golang/go,mwhudson/go,CarterTsai/go,mikekap/go,cyberroadie/go,samanalysis/go,alex-zhang/go,vsdutka/go,myPublicGit/go,CarterTsai/go,Samurais/go,malvira/go,vanloswang/go,malvira/go,yangzhongj/go,Pulgafree/go,ImJasonH/go,CAFxX/go,ifagnosticism/go,vsdutka/go,chinanjjohn2012/go,sndnvaps/go,mikekap/go,danielsoro/go,snowsnail/go,theass/go,Pulgafree/go,nawawi/go,polyverse-security/go,mdp/go,cloudflare/go,samanalysis/go,sndnvaps/go,devpadawan/go,snowsnail/go,rachtsingh/gogojuice,goodlang/good,jdhenke/go,fjballest/golang,jacobhaven/go,Pulgafree/go,jdhenke/go,xiuzhifu/go,xiuzhifu/go,momchil-velikov/go,ImJasonH/go,miolini/go,GeorgiCodes/go,kim-racktop/go,ImJasonH/go,Jordanzuo/go,cloudflare/go,danielsoro/go,polyverse-security/go,Badredapple/go,sndnvaps/go,alex-zhang/go,sndnvaps/go,zhangg/go,arschles/golang-go,kim-racktop/go,codestation/go,yangzhongj/go,GeorgiCodes/go,yangzhongj/go,cyberroadie/go,likesea/go,beealone/go,stormltf/go,cyberroadie/go,derekmarcotte/go,dterei/go,cyberroadie/go,miolini/go,derekmarcotte/go,samanalysis/go,roth1002/go,josharian/go,miolini/go,Cofyc/go,jonasi/go,polyverse-security/go,jacobhaven/go,b54898533/go,skatsuta/go,odeke-em/go,deft-code/go,derekmarcotte/go,likesea/go,xujianhai/go,dterei/go,cloudflare/go,akutz/go,ifagnosticism/go,xiuzhifu/go,roth1002/go,akutz/go,suncycheng/go,cookerzhu/go,Cofyc/go,nawawi/go,arschles/golang-go,Badredapple/go,Samurais/go,myPublicGit/go,b54898533/go,mwhudson/go,gdey/go,xiuzhifu/go,b54898533/go,dpatel06/go,theass/go,mikekap/go,stormltf/go,arschles/golang-go,zhangg/go,rachtsingh/gogojuice,linux-on-ibm-z/go,mdp/go,joshsammut/go,arschles/go-1,skatsuta/go,NunoEdgarGub1/go,fjballest/golang,goodlang/good,Cofyc/go,Endika/go,odeke-em/go,xujianhai/go,vsekhar/elastic-go,derekmarcotte/go,mdp/go,vsdutka/go,likesea/go,ImJasonH/go,fjballest/golang,ImJasonH/go,famorted/go,CarterTsai/go,cookerzhu/go,xujianhai/go,famorted/go,Endika/go,snowsnail/go,miolini/go,ericsnowcurrently/go,stormltf/go,snowsnail/go,josharian/go,jacobhaven/go,rachtsingh/gogojuice,beealone/go,malvira/go,jacobsa/go,mikekap/go,skatsuta/go,jacobsa/go,odeke-em/go,codestation/go,snowsnail/go,Pulgafree/go,Endika/go,Badredapple/go,xujianhai/go,CAFxX/go,golang/go,gdey/go,goodlang/good,jacobhaven/go,jonasi/go,binarycrusader/go,famorted/go,codestation/go,polyverse-security/go,miolini/go,jonasi/go,chinanjjohn2012/go,beealone/go,vanloswang/go,Samurais/go,vsekhar/elastic-go,skatsuta/go,gdey/go,goodlang/good,dterei/go,ichu501/go,CAFxX/go,golang/go,devpadawan/go,arschles/golang-go,linux-on-ibm-z/go,chinanjjohn2012/go,theass/go,vanloswang/go,stormltf/go,linux-on-ibm-z/go,nawawi/go,linux-on-ibm-z/go,theif519/go,vanloswang/go,NunoEdgarGub1/go,odeke-em/go,fjballest/golang,suncycheng/go,alex-zhang/go,mwhudson/go,samanalysis/go,vsdutka/go,golang/go,ichu501/go,theass/go,mwhudson/go,NunoEdgarGub1/go,mdp/go,jacobhaven/go,fjballest/golang,mikekap/go,danielsoro/go,4ad/go,cookerzhu/go,odeke-em/go,Jordanzuo/go,danielsoro/go,Jordanzuo/go,yangzhongj/go,deft-code/go,suncycheng/go,ifagnosticism/go,samanalysis/go,Cofyc/go,stormltf/go,jacobsa/go,xiuzhifu/go,theif519/go,ifagnosticism/go,roth1002/go,kim-racktop/go,Cofyc/go,likesea/go,akutz/go,theif519/go,CAFxX/go,kim-racktop/go,kim-racktop/go,golang/go,ImJasonH/go,ichu501/go,zhangg/go,deft-code/go,snowsnail/go,polyverse-security/go,binarycrusader/go,mwhudson/go,yasarkunduz/go,stormltf/go,danielsoro/go,GeorgiCodes/go,gdey/go,Jordanzuo/go,joshsammut/go,sndnvaps/go,akutz/go,dpatel06/go,nawawi/go,4ad/go,theass/go,ichu501/go,myPublicGit/go,b54898533/go,myPublicGit/go,momchil-velikov/go,vsdutka/go,mdp/go,theif519/go,ganboing/go-esx,arschles/golang-go,cyberroadie/go,joshsammut/go,xujianhai/go,chinanjjohn2012/go,Samurais/go,cyberroadie/go,Endika/go,arschles/golang-go,dpatel06/go,vanloswang/go,zhangg/go,cookerzhu/go,vsekhar/elastic-go,CAFxX/go,vsdutka/go,malvira/go,nawawi/go,devpadawan/go,4ad/go,beealone/go,theass/go,theif519/go,deft-code/go,ganboing/go-esx,NunoEdgarGub1/go,Samurais/go,gdey/go,snowsnail/go,jacobhaven/go,joshsammut/go,sndnvaps/go,binarycrusader/go,vanloswang/go,famorted/go,vsdutka/go,ericsnowcurrently/go,nawawi/go,theass/go,zhangg/go,yangzhongj/go,derekmarcotte/go,b54898533/go,b54898533/go,myPublicGit/go,rachtsingh/gogojuice,kim-racktop/go,joshsammut/go,golang/go,yasarkunduz/go,Cofyc/go,christopher-henderson/Go,binarycrusader/go,mwhudson/go,rachtsingh/gogojuice,jacobsa/go,ericsnowcurrently/go,Cofyc/go,samanalysis/go,miolini/go,chinanjjohn2012/go,suncycheng/go,mikekap/go,ganboing/go-esx,codestation/go,roth1002/go,skatsuta/go,cloudflare/go,arschles/go-1,CarterTsai/go,suncycheng/go,Jordanzuo/go,famorted/go,suncycheng/go,polyverse-security/go,jonasi/go,GeorgiCodes/go,polyverse-security/go,deft-code/go,cloudflare/go,theass/go,fjballest/golang,momchil-velikov/go,binarycrusader/go,yasarkunduz/go,cyberroadie/go,CarterTsai/go,ganboing/go-esx,odeke-em/go,chinanjjohn2012/go,mdp/go,4ad/go,jacobsa/go,devpadawan/go,odeke-em/go,ganboing/go-esx,myPublicGit/go,vsekhar/elastic-go,famorted/go,devpadawan/go,danielsoro/go,derekmarcotte/go,josharian/go,malvira/go,derekmarcotte/go,fjballest/golang,rachtsingh/gogojuice,arschles/go-1,beealone/go,4ad/go,mwhudson/go,4ad/go,suncycheng/go,jdhenke/go,linux-on-ibm-z/go,binarycrusader/go,dterei/go,jdhenke/go,momchil-velikov/go,josharian/go,dterei/go,yangzhongj/go,jdhenke/go,Badredapple/go,miolini/go,stormltf/go,roth1002/go,Jordanzuo/go,codestation/go,devpadawan/go,NunoEdgarGub1/go,malvira/go,Samurais/go,sndnvaps/go,ichu501/go,jacobsa/go,vsekhar/elastic-go,joshsammut/go,theif519/go