Flow Chart Checks : (C18121) Illegal switch structure: non-unique selected entries

(C18121) Illegal switch structure: non-unique selected entries

Error In:
Correctness
Description:
The switch_c structure contains a case entry that is repeated. Only the first entry will be executed.
Example:
switch_c (X)
{
case_c 1:
Y=1;
case_c 1:
Y=2;
default:
Y=3;
}
 
Erroneous Elements:
Actions, states, and transition labels