[clang] [clang analyzer]consume `llvm::Error` (PR #120597)

[Congcong Cai via cfe-commits]

HerrCai0907 wrote:

I want to use error in other place and follow this style to print error, but get a trap since Error isn't consumed.
unfortunately I don't know how to make it happen in this cases.

https://github.com/llvm/llvm-project/pull/120597