[libcxx-commits] [libcxx] [libc++] Turn off PIE when running libc++ premerge tests. (PR #155689)

[Aiden Grossman via libcxx-commits]

boomanaiden154 wrote:

> Then is there any place in libc++ where you think turning off PIE might help? I thought you said there was, but maybe I misunderstood you..

I thought there was some headroom, but I did the benchmark earlier this week and there was no difference between PIE/no PIE.

Building the libc++ SO with PIC I'm not sure would have any performance benefits and would require other things that we probably don't want (like the large code model).

https://github.com/llvm/llvm-project/pull/155689