code: void registerCatch(DiagnosticPosition pos,
                             int startpc, int endpc,
                             int handler_pc, int catch_type) {
              char startpc1 = (char)startpc;
              char endpc1 = (char)endpc;
              char handler_pc1 = (char)handler_pc;
              if (startpc1 == startpc &&
                  endpc1 == endpc &&
                  handler_pc1 == handler_pc) {
                  code.addCatch(startpc1, endpc1, handler_pc1,
                                (char)catch_type);
              } else {
                  log.error(pos, "limit.code.too.large.for.try.stmt");
                  nerrs++;
              }
          }
docs: Register a catch clause in the "Exceptions" code-attribute.