Support yield from inside a block (fixes #379)
Support yield from inside a block (fixes #379)

catprintlabs/opal,iliabylich/opal,fazibear/opal,gabrielrios/opal,Ajedi32/opal,jannishuebl/opal,opal/opal,iliabylich/opal,iliabylich/opal,gabrielrios/opal,fazibear/opal,gabrielrios/opal,bbatsov/opal,domgetter/opal,c42engineering/opal,Mogztter/opal,kachick/opal,Flikofbluelight747/opal,jgaskins/opal,Flikofbluelight747/opal,kachick/opal,jannishuebl/opal,wied03/opal,gausie/opal,castwide/opal,wied03/opal,opal/opal,opal/opal,Mogztter/opal,Mogztter/opal,suyesh/opal,castwide/opal,Mogztter/opal,gausie/opal,suyesh/opal,c42engineering/opal,bbatsov/opal,Ajedi32/opal,kachick/opal,merongivian/opal,Ajedi32/opal,catprintlabs/opal,fazibear/opal,bbatsov/opal,suyesh/opal,wied03/opal,domgetter/opal,c42engineering/opal,merongivian/opal,jgaskins/opal,catprintlabs/opal,jgaskins/opal,opal/opal,jannishuebl/opal,merongivian/opal,kachick/opal,castwide/opal,Flikofbluelight747/opal,gausie/opal