mjsousa [Tue, 30 Dec 2014 23:31:36 +0000] rev 984
Break constant_folding_c in two classes: constant_folding_c and constant_propagation_c
mjsousa [Tue, 30 Dec 2014 22:58:52 +0000] rev 983
Add check whether the same constant var_external variable is initialised with two (or more) different constant values.