check for duplicate flags in usedeps, instead of duplicate usedeps

fuzz/atom/parser/fuzz.rs

@@ -41,10 +41,13 @@ pub unsafe extern "C" fn LLVMFuzzerTestOneInput(input: *const u8, len: usize) ->
             panic!("disagreement on {str}\ncontrol:Ok\ngentoo-utils:Err({rest})");
         }
         (Err(_), Ok(atom))
-            if atom
-                .usedeps()
-                .iter()
-                .any(|usedep| atom.usedeps().iter().filter(|u| usedep == *u).count() > 1) =>
+            if atom.usedeps().iter().any(|usedep| {
+                atom.usedeps()
+                    .iter()
+                    .filter(|u| *usedep.flag() == *u.flag())
+                    .count()
+                    > 1
+            }) =>
         {
             eprintln!(
                 "disagreement, but we will allow it since its probably because of duplicated usdeps"