message: Unreachable instruction ends a block in DXIL
diff: @@ -1562,6 +1562,8 @@ Program::Program(const byte *bytes, size_t length)
  Instruction inst;
  inst.op = Operation::Unreachable;
  +
  + curBlock++;
  }
  else if(op.type == FunctionRecord::INST_ALLOCA)
  {
  