chore: Remove inliner override for reference_counts test

tooling/nargo_cli/build.rs

@@ -60,13 +60,9 @@
 ];
 
 /// Tests which aren't expected to work with the default inliner cases.
-const INLINER_MIN_OVERRIDES: [(&str, i64); 2] = [
+const INLINER_MIN_OVERRIDES: [(&str, i64); 1] = [
     // 0 works if PoseidonHasher::write is tagged as `inline_always`, otherwise 22.
     ("eddsa", 0),
-    // (#6583): The RcTracker in the DIE SSA pass is removing inc_rcs that are still needed.
-    // This triggers differently depending on the optimization level (although all are wrong),
-    // so we arbitrarily only run with the inlined versions.
-    ("reference_counts", 0),
 ];
 
 /// Some tests are expected to have warnings
@@ -185,7 +181,7 @@
     // We need to isolate test cases in the same group, otherwise they overwrite each other's artifacts.
     // On CI we use `cargo nextest`, which runs tests in different processes; for this we use a file lock.
     // Locally we might be using `cargo test`, which run tests in the same process; in this case the file lock
     // wouldn't work, becuase the process itself has the lock, and it looks like it can have N instances without
     // any problems; for this reason we also use a `Mutex`.
     let mutex_name = format! {"TEST_MUTEX_{}", test_name.to_uppercase()};
     write!(