[libc-commits] [libc] [libc]: Remove `-Wglobal-constructors` for libc tests (PR #131485)

[Vinay Deshmukh via libc-commits]

vinay-deshmukh wrote:

CI failures seem to be unrelated to this change:

```
/home/runner/work/llvm-project/llvm-project/build/compiler-rt/lib/fuzzer/libcxx_fuzzer_aarch64/build/include/c++/v1/__configuration/compiler.h:37:8: warning: "Libc++ only supports Clang 19 and later" [-W#warnings]
   37 | #      warning "Libc++ only supports Clang 19 and later"
      |        ^
```

https://github.com/llvm/llvm-project/pull/131485