Fixes Issue 7569 - Allow void initializer for Tuple variables.
fix Issue 9428 - Wrong array concatenation
Merge pull request #1590 from 9rnsr/fix9428

Issue 9428 - Wrong array concatenation
fix Issue 9494 - Error on recursive associative array declaration.
fix Issue 4094 - ICE(expression.c): recursive struct templates with type inference
Merge pull request #1674 from AndrejMitrovic/Fix7569

Issue 7569 - Allow void initializer for Tuple variables.
Merge pull request #1662 from 9rnsr/fix9494

Issue 9494 - Error on recursive associative array declaration.