[llvm-branch-commits] [LSan] skip leaks from dlerror (PR #142876)

[Florian Mayer via llvm-branch-commits]

fmayer wrote:

> There's a flag:
> 
> ```
> LSAN_FLAG(bool, use_ld_allocations, true,
>           "Root set: mark as reachable all allocations made from dynamic "
>           "linker. This was the old way to handle dynamic TLS, and will "
>           "be removed soon. Do not use this flag.")
> ```
> 
> Obviously we shouldn't use this flag, but I wonder if something like that would be better than specifically suppressing `*dlerror*` (are other `dl*` functions going to break at some point?).

Yeah, it would be better to fix the root cause. But until then, this exclusion makes sense IMO. WDYT?

https://github.com/llvm/llvm-project/pull/142876