detab
fix Issue 9442 - typeid() doesn't work without `this.` for class fields
remove more alloca()'s
Merge pull request #1610 from WalterBright/refactor9

remove more alloca()'s
remove detritus
Merge pull request #1611 from WalterBright/refactor10

remove detritus
Merge pull request #1595 from 9rnsr/fix9442

Issue 9442 - typeid() doesn't work without `this.` for class fields