fix Issue 12739 - Foreach delegate to opApply does not have infered nothrow
Remove unused #define
Delete the ancient posix support in canonicalName
Merge pull request #3565 from 9rnsr/fix12739

Issue 12739 - Foreach delegate to opApply does not have infered nothrow
Merge pull request #3570 from yebblies/deaddefine

[DDMD] Remove unused #define
Merge pull request #3571 from yebblies/canonicalName

[DDMD] Delete the ancient posix support in canonicalName