misc-redundant-expression¶
Detect redundant expressions which are typically errors due to copy-paste.
Depending on the operator expressions may be
redundant,
always
true
,always
false
,always a constant (zero or one).
Examples:
((x+1) | (x+1)) // (x+1) is redundant
(p->x == p->x) // always true
(p->x < p->x) // always false
(speed - speed + 1 == 12) // speed - speed is always zero