State Senate President John Cullerton referred the bill to the senate subcommittee on constitutional amendments, which does not have any members. So there is no possibility of the measure passed by the senate and moved then to the house.
Rick Garcia is a long-time activist and a former member of Equality Illinois said in the Windy City Times: "subcommittees are where you put bills to die. And there are no members appointed to the subcommittee on constitutional amendments. The bill went to committee and it was quickly dispatched as it should have been."
Illinois already prohibits gay marriage but in a statutory way and not in a constitutional way. Moreover, Governor Pat Quinn authorized civil unions so the anti- gay-marriage people saw that like a first step towards the marriage equality and wished to stopped this by changing the constitution, but that flunked.