e.s.f.Fatalf("process.OpLoadReg targeting g: " + c.LongString())
		}
	}
}

// processDest generates code to put value vid into location loc. Returns true
// if progress was made.
func (e *edgeState) processDest(loc Location, vid ID, splice **Value, pos src.XPos) bool {
	pos = pos.WithNotStmt()
	occupant := e.contents[loc]
	if occupant.vid == vid {