Use gcc13 for llvm-ompss2 for intel

pkgs/llvm-ompss2/default.nix

@@ -2,6 +2,7 @@
   stdenv
 , lib
 , gcc
+, gcc13
 , clangOmpss2Unwrapped
 , writeShellScript
 , openmp ? null
@@ -92,7 +93,8 @@ let
   '';
 
   wrappedCCIntel = wrapCCWith {
-    inherit cc bintools extraPackages;
+    inherit bintools extraPackages;
+    cc = cc.override { gcc = gcc13; }; # Intel uses gcc13, so we have to match it
     # extraPackages adds packages to depsTargetTargetPropagated
     extraBuildCommands = intelExtraBuildCommands + envExports;
   };