MISRAC++2023-6.7.1 (C++ only)
In this section:
Synopsis
(Required) Local variables shall not have static storage duration
Enabled by default
Yes
Severity/Certainty
Medium/Medium

Full description
Found non-const variable with static storage duration
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() {
static int count = 0;
return ++count;
}
The following code example passes the check and will not give a warning about this issue:
static int count = 0; // Violates other rules though
int example() {
return ++count;
}