Track causes for universes created during borrowck

2021-03-07 14:41:45 +00:00
parent e271383c6b
commit 5e6027c6bf
9 changed files with 329 additions and 129 deletions
--- a/compiler/rustc_infer/src/infer/mod.rs
+++ b/compiler/rustc_infer/src/infer/mod.rs
@@ -1506,7 +1506,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
        self.inner.borrow_mut().projection_cache().clear();
    }

-    fn universe(&self) -> ty::UniverseIndex {
+    pub fn universe(&self) -> ty::UniverseIndex {
        self.universe.get()
    }