It’s a copy paste bug here right?

|       LSWITCH '(' cexpr ')' stmnt

{

$$ = new(OCONST, Z, Z);

$$->vconst = 0;

$$->type = types[TINT];

$3 = new(OSUB, $$, $3);

$$ = new(OCONST, Z, Z);

$$->vconst = 0;

$$->type = types[TINT];

$3 = new(OSUB, $$, $3);

$$ = new(OSWITCH, $3, $5);

}