MISRAC++2008-7-1-1
In this section:
Synopsis
(Required) A variable which is not modified shall be const qualified.
Enabled by default
Yes
Severity/Certainty
Low/Medium

Full description
A local variable that is not modified after its initialization is not const qualified.
Coding standards
This check does not correspond to any coding standard rules.
Code examples
The following code example fails the check and will give a warning:
int example( void ){
int x = 7;
return x;
}
The following code example passes the check and will not give a warning about this issue:
int example( void ){
int x = 7;
++x;
return x;
}