Fix 13048 - Solaris no longer needs -mt during linking
fix Issue 13053 - Wrong warning on implicitly generated __xtoHash
Merge pull request #3719 from 9rnsr/fix13053

[REG2.066a] Issue 13053 - Wrong warning on implicitly generated __xtoHash
Add ClassInfo flag for destructors.
Merge pull request #3725 from Safety0ff/cthasdtor

Add ClassInfo flag for destructors.
Merge pull request #3718 from jasonbking/link

Fix 13048 - Solaris no longer needs -mt during linking