[llvm-branch-commits] [libunwind] release/21.x: [libunwind] Fix return type of `DwarfFDECache::findFDE()` in definition (#146308) (PR #150126)

[Alex Rønne Petersen via llvm-branch-commits]

alexrp wrote:

> @alexrp can you rebase this one to get the fixes for libc++ ci, and we'll see if it works.

"Update with rebase" appears to not be enabled on the repo, so I did it with a merge commit. Hopefully that's fine since it gets squashed anyway.

FWIW, I consider this a pretty low-risk patch; I would expect identical machine code.

https://github.com/llvm/llvm-project/pull/150126