Merging the latches of loops may affect the dispositions, so they should be forgotten after the merge. This patch fixed the crash in loop fusion [#164082](https://github.com/llvm/llvm-project/issues/164082).
Merging the latches of loops may affect the dispositions, so they should be forgotten after the merge. This patch fixed the crash in loop fusion [#164082](https://github.com/llvm/llvm-project/issues/164082).