[lld] [LLD] Use uint64_t timestamp to overcome potential overflow (PR #81665)

[Jinsong Ji via llvm-commits]

jsji wrote:

> uint64_t

Thanks @mstorsjo for the quick review. These are flagged by static analyzers, yes, my understanding is the "potential overflow" is referring to values coming from 64bit time_t.


https://github.com/llvm/llvm-project/pull/81665