tests/strict/it_mod_double_fun: Assigning to const slot now turns it into var.
Which the can be reassigned again (at runtime including) without further
warnings.
mod
-\.\*Warning: strict mode: overriding (monkey-patching) const name
+\.\*Warning: strict mode: overriding (monkey-patching) const name\.\* with a variable
1
-\.\*Warning: strict mode: overriding (monkey-patching) const name
1
-\.\*Warning: strict mode: overriding (monkey-patching) const name
2
