cmd/compile: fix comment
cmd/compile: fix comment

Change-Id: I32fd5c36f055fdb1dfe56524085676aa4111089a
Reviewed-on: https://go-review.googlesource.com/20830
Reviewed-by: David Chase <ae171625adc8645b8b79b7e405a6da5aba5341e0@google.com>

codestation/go,ImJasonH/go,miolini/go,theif519/go,CAFxX/go,josharian/go,linux-on-ibm-z/go,akutz/go,CAFxX/go,goodlang/good,suncycheng/go,derekmarcotte/go,vsekhar/elastic-go,Cofyc/go,vsekhar/elastic-go,linux-on-ibm-z/go,polyverse-security/go,vanloswang/go,cloudflare/go,golang/go,goodlang/good,codestation/go,Cofyc/go,akutz/go,Cofyc/go,linux-on-ibm-z/go,cloudflare/go,akutz/go,ganboing/go-esx,nawawi/go,vsekhar/elastic-go,Cofyc/go,josharian/go,4ad/go,vanloswang/go,cloudflare/go,4ad/go,vsekhar/elastic-go,momchil-velikov/go,vanloswang/go,suncycheng/go,miolini/go,cloudflare/go,goodlang/good,cloudflare/go,polyverse-security/go,cloudflare/go,suncycheng/go,ganboing/go-esx,miolini/go,4ad/go,suncycheng/go,golang/go,theif519/go,suncycheng/go,vanloswang/go,codestation/go,4ad/go,ImJasonH/go,4ad/go,linux-on-ibm-z/go,theif519/go,akutz/go,nawawi/go,goodlang/good,vsekhar/elastic-go,vsekhar/elastic-go,linux-on-ibm-z/go,Cofyc/go,ImJasonH/go,nawawi/go,goodlang/good,josharian/go,CAFxX/go,golang/go,golang/go,polyverse-security/go,miolini/go,akutz/go,derekmarcotte/go,derekmarcotte/go,codestation/go,akutz/go,josharian/go,codestation/go,miolini/go,ImJasonH/go,linux-on-ibm-z/go,CAFxX/go,linux-on-ibm-z/go,miolini/go,polyverse-security/go,4ad/go,miolini/go,codestation/go,CAFxX/go,linux-on-ibm-z/go,golang/go,derekmarcotte/go,suncycheng/go,goodlang/good,ganboing/go-esx,suncycheng/go,momchil-velikov/go,ImJasonH/go,momchil-velikov/go,derekmarcotte/go,josharian/go,nawawi/go,derekmarcotte/go,polyverse-security/go,theif519/go,akutz/go,suncycheng/go,vsekhar/elastic-go,Cofyc/go,theif519/go,goodlang/good,ImJasonH/go,polyverse-security/go,nawawi/go,golang/go,josharian/go,cloudflare/go,vanloswang/go,momchil-velikov/go,ganboing/go-esx,codestation/go,polyverse-security/go,CAFxX/go,vanloswang/go,miolini/go,theif519/go,CAFxX/go,nawawi/go,derekmarcotte/go,akutz/go,momchil-velikov/go,ganboing/go-esx,derekmarcotte/go,golang/go,goodlang/good,christopher-henderson/Go,vanloswang/go,josharian/go,theif519/go,momchil-velikov/go,josharian/go,momchil-velikov/go,cloudflare/go,4ad/go,ganboing/go-esx,nawawi/go,CAFxX/go,ganboing/go-esx,ganboing/go-esx,ImJasonH/go,vsekhar/elastic-go,4ad/go,polyverse-security/go,nawawi/go,Cofyc/go,codestation/go,Cofyc/go,vanloswang/go,momchil-velikov/go,ImJasonH/go,golang/go,theif519/go