- (let* ((type (lvar-type subscript))
- (low (numeric-type-low type))
- (high (numeric-type-high type)))
+ (let* ((type1 (lvar-type subscript))
+ (type2 (if (csubtypep type1 (specifier-type 'integer))
+ (weaken-integer-type type1 :range-only t)
+ (give-up)))
+ (low (if (integer-type-p type2)
+ (numeric-type-low type2)
+ (give-up)))
+ (high (numeric-type-high type2)))