47:  "operation canceled",
	48:  "operation not supported",
	49:  "disc quota exceeded",
	50:  "bad exchange descriptor",
	51:  "bad request descriptor",
	52:  "message tables full",
	53:  "anode table overflow",
	54:  "bad request code",
	55:  "invalid slot",
	56:  "file locking deadlock",
	57:  "bad font file format",
	58:  "owner of the lock died",
	59:  "lock is not recoverable",

	{49, "EDQUOT", "disc quota exceeded"},
	{50, "EBADE", "bad exchange descriptor"},
	{51, "EBADR", "bad request descriptor"},
	{52, "EXFULL", "message tables full"},
	{53, "ENOANO", "anode table overflow"},
	{54, "EBADRQC", "bad request code"},
	{55, "EBADSLT", "invalid slot"},
	{56, "EDEADLOCK", "file locking deadlock"},
	{57, "EBFONT", "bad font file format"},

			// that the lhs expression type is determined in the
			// first round and thus deleted from the map, and then
			// not found in the second round (double insertion of
			// the same expr node still just leads to one entry for
			// that node, and it can only be deleted once).
			// Be cautious and check for presence of entry.
			// Example: var e, f = int(1<<""[f]) // go.dev/issue/11347
			if info, found := check.untyped[x.expr]; found {