1 // RUN: llvm-tblgen %s 2 // XFAIL: vg_leak 3 class x { 4 field bits<32> A; 5 } 6 7 class y<bits<2> B> : x { 8 let A{21-20} = B; 9 } 10 11 def z : y<{0,?}>; 12