Revert r272891 "[JumpThreading] Prevent dangling pointer problems in BranchProbabilityInfo"

It was causing failures in Profile-i386 and Profile-x86_64 tests.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272912 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed