[libcxx] [clang] [clang-tools-extra] [llvm] [compiler-rt] [flang] [libc] Don't emit relax relocs like R_X86_64_REX_GOTPCRELX on X86 target for OPENMP internal vars. (PR #75564)

[Eli Friedman via cfe-commits]

efriedma-quic wrote:

Scattering around `setDSOLocal(false)` makes the logic hard to understand.  I'd strongly prefer to fix the initial setting of dso_local when we create the global variable.  We can refactor the code to make that work.

https://github.com/llvm/llvm-project/pull/75564