Add front-end support for 64bit X32 target.
fix Issue 7538 - All kinds of property functions should be called before getting their types inside typeof
optimize sequence of &&
fix Issue 9578 - "is a nested function and cannot be accessed from" problem
Merge pull request #2330 from 9rnsr/fix9578

Issue 9578 - "is a nested function and cannot be accessed from" problem
Merge pull request #2124 from ibuclaw/x32arch

Add front-end support for 64bit X32 target.
Merge pull request #2123 from 9rnsr/fix7538

Issue 7538 - All kinds of property functions should be called before getting their types inside typeof
Merge pull request #2326 from WalterBright/andand-to-BT

optimize sequence of &&