[llvm] REAPPLY [ORC] Add automatic shared library resolver for unresolved symbols. #148410 (PR #164551)

[Mikael Holmen via llvm-commits]

mikaelholmen wrote:

Hello @SahilPatidar 

I see the following with this patch:
```
12:38:29 ../llvm-project/llvm/unittests/ExecutionEngine/Orc/LibraryResolverTest.cpp:693:3: error: ignoring return value of function declared with 'warn_unused_result' attribute [-Werror,-Wunused-result]
12:38:29   693 |   ::symlink(target.c_str(), linkName.c_str());
12:38:29       |   ^~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
12:38:29 1 error generated.
```

https://github.com/llvm/llvm-project/pull/164551