void adjust_exception_edges(BlockBegin* block, BlockBegin* sux) {
int e = sux->number_of_exception_handlers();
for (int i = 0; i < e; i++) {
BlockBegin* xhandler = sux->exception_handler_at(i);
block->add_exception_handler(xhandler);
assert(xhandler->is_predecessor(sux), "missing predecessor");
if (sux->number_of_preds() == 0) {
// sux is disconnected from graph so disconnect from exception handlers
xhandler->remove_predecessor(sux);
}
if (!xhandler->is_predecessor(block)) {
xhandler->add_predecessor(block);
}
}
}
