mjsousa [Fri, 16 Jan 2015 12:20:14 +0000] rev 990
Do not allow constant_propagation algorithm go into infinite loop when analysing code with circular references.
mjsousa [Fri, 16 Jan 2015 11:17:33 +0000] rev 989
Do constant propagation of FBs instantiated in other FB or Programs, so that variable sized arrays can be declared in FBs too.