fix Issue 6070 - CTFE UFCS forward reference error
fix Issue 9987 - Declaring struct ModuleInfo should be allowed
Merge pull request #1931 from 9rnsr/fix6070

Issue 6070 - CTFE UFCS forward reference error
Merge pull request #1932 from 9rnsr/fix9987

Issue 9987 - Declaring struct ModuleInfo should be allowed
fix Issue 9679 - Refused const/immutable assignment in conditional
Merge pull request #1937 from 9rnsr/fix9679

Issue 9679 - Refused const/immutable assignment in conditional