[clang] [analyzer] Detect leak of a stack address through output arguments 2/3 (PR #105653)

[Donát Nagy via cfe-commits]

https://github.com/NagyDonat commented:

Mostly LGTM and thanks for adding the "`origin_region_limitation`" test. (I added one minor remark as inline comment.)

https://github.com/llvm/llvm-project/pull/105653