[clang] [clang][LoongArch] Don't imply -fdirect-access-external-data for non-PIC (PR #71887)

[WÁNG Xuěruì via cfe-commits]

https://github.com/xen0n commented:

Looks okay, although I may be missing some places. For now I don't know if recording this fact (no copy reloc support) with a helper function somewhere would help de-duplicating the logic -- it should be the case normally but I don't know where to best put the helper.

https://github.com/llvm/llvm-project/pull/71887