Add ompss2rt to wrapper passthru

pkgs/llvm-ompss2/default.nix

@@ -37,7 +37,7 @@ let
   inherit gcc;
   cc = clangOmpss2Unwrapped;
   gccVersion = with versions; let v = gcc.version; in concatStringsSep "." [(major v) (minor v) (patch v)];
-in wrapCCWith {
+in (wrapCCWith {
   inherit cc bintools;
   # extraPackages adds packages to depsTargetTargetPropagated
   extraPackages = optional (openmp != null) openmp;
@@ -67,5 +67,4 @@ in wrapCCWith {
   '' + optionalString (ompss2rt != null && ompss2rt.pname == "nodes") ''
     echo "export NOSV_HOME=${ompss2rt}" >> $out/nix-support/cc-wrapper-hook
   '';
-}
-
+}).overrideAttrs (prev: { passthru = (prev.passthru or {}) // { inherit ompss2rt; }; })