llvm-project

403a6b5b - Reland "[libc] Add realpath to linux entrypoints" (#212925) (#216869)

Reland "[libc] Add realpath to linux entrypoints" (#212925) (#216869) This relands https://github.com/llvm/llvm-project/pull/212925 by reverting commit efe96c53557041be11e7fb4d43e6448cc09f6062. CI failures w/ `libc-riscv32-qemu-yocto-fullbuild-dbg` should have been fixed by https://github.com/llvm/llvm-project/pull/216828.