[llvm] [MemoryBuiltins] Cache the result of ObjectOffsetSizeVisitor::visit. #64796 (PR #65326)

[Bevin Hansson via llvm-commits]

bevin-hansson wrote:

That's pretty unfortunate. I'm not sure what more can be done about it, it's bound to iterate further since it's given the chance to.

https://github.com/llvm/llvm-project/pull/65326