iverilog/ivtest/vvp_tests/casex_synth.json

{
    "type"   : "normal",
    "source" : "casex_synth.v",
    "iverilog-args" : [ "-S" ],
    "vlog95" : {
        "__comment" : "Case equality is not supported",
        "type"      : "CE"
    }
}