MODxxx is unsigned char, not unsigned
Add test case for issue 11969
Merge pull request #3144 from yebblies/MOD

[DDMD] MODxxx is unsigned char, not unsigned
fix Issue 11993 - typeof(this) in constraint of member function template should reflect method qualifier
Merge pull request #3150 from 9rnsr/fix11969

Add test case for issue 11969
Merge pull request #3151 from 9rnsr/fix11993

[REG] Issue 11993 - typeof(this) in constraint of member function template should reflect method qualifier