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 {
		// Value is already in the correct place.
		e.contents[loc] = contentRecord{vid, occupant.c, true, pos}
		if splice != nil {
			(*splice).Uses--
			*splice = occupant.c
			occupant.c.Uses++
		}
		// Note: if splice==nil then c will appear dead. This is

	{112, "ENOATTR", "no attribute found"},
	{113, "ESAD", "security Authentication Denied"},
	{114, "ENOTRUST", "not a Trusted Program"},
	{115, "ETOOMANYREFS", "too many references: can't splice"},
	{116, "EILSEQ", "invalid wide character"},
	{117, "ECANCELED", "asynchronous I/O cancelled"},
	{118, "ENOSR", "out of STREAMS resources"},
	{119, "ETIME", "system call timed out"},

	54: "connection reset by peer",
	55: "no buffer space available",
	56: "socket is already connected",
	57: "socket is not connected",
	58: "can't send after socket shutdown",
	59: "too many references: can't splice",
	60: "operation timed out",
	61: "connection refused",
	62: "too many levels of symbolic links",
	63: "file name too long",
	64: "host is down",
	65: "no route to host",
	66: "directory not empty",

	54: "connection reset by peer",
	55: "no buffer space available",
	56: "socket is already connected",
	57: "socket is not connected",
	58: "can't send after socket shutdown",
	59: "too many references: can't splice",
	60: "operation timed out",
	61: "connection refused",
	62: "too many levels of symbolic links",
	63: "file name too long",
	64: "host is down",
	65: "no route to host",
	66: "directory not empty",

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "operation timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "operation timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "operation timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "operation timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "connection timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "operation timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},