Mario de Sousa <msousa@fe.up.pt> [Sat, 16 Jun 2012 07:41:30 +0100] rev 597
Add file missing from previous commit.
Mario de Sousa <msousa@fe.up.pt> [Fri, 15 Jun 2012 19:54:33 +0100] rev 596
Add ERROR_MSG macro && move extract_XXX() functions to constant_folding.cc