llvmPackages_17.llvm: add patch to fix -fzero-call-used-regs crashes

otherwise, we run in to llvm/llvm-project#75168
on linux x86_64 when building libcxx

pkgs/development/compilers/llvm/17/default.nix

@@ -126,6 +126,14 @@ in let
  # It's not clear to me why this isn't an issue for LLVM developers running
  # on macOS (nothing about this _seems_ nix specific)..
  ./llvm/lit-shell-script-runner-set-dyld-library-path.patch
+
+ # resolves https://github.com/llvm/llvm-project/issues/75168
+ (fetchpatch {
+ name = "fix-fzero-call-used-regs.patch";
+ url = "https://github.com/llvm/llvm-project/commit/f800c1f3b207e7bcdc8b4c7192928d9a078242a0.patch";
+ stripLen = 1;
+ hash = "sha256-e8YKrMy2rGcSJGC6er2V66cOnAnI+u1/yImkvsRsmg8=";
+ })
  ];
  pollyPatches = [
  ./llvm/gnu-install-dirs-polly.patch