Move EvaluationCache::clear.

Author: cjgillot

src/librustc/traits/select.rs

@@ -3560,13 +3560,6 @@ impl<'tcx> TraitObligation<'tcx> {
     }
 }
 
-impl<'tcx> EvaluationCache<'tcx> {
-    /// Actually frees the underlying memory in contrast to what stdlib containers do on `clear`
-    pub fn clear(&self) {
-        *self.hashmap.borrow_mut() = Default::default();
-    }
-}
-
 impl<'o, 'tcx> TraitObligationStack<'o, 'tcx> {
     fn list(&'o self) -> TraitObligationStackList<'o, 'tcx> {
         TraitObligationStackList::with(self)

src/librustc/traits/types/select.rs

@@ -265,6 +265,13 @@ pub struct EvaluationCache<'tcx> {
     >,
 }
 
+impl<'tcx> EvaluationCache<'tcx> {
+    /// Actually frees the underlying memory in contrast to what stdlib containers do on `clear`
+    pub fn clear(&self) {
+        *self.hashmap.borrow_mut() = Default::default();
+    }
+}
+
 #[derive(Clone, Eq, PartialEq)]
 pub struct WithDepNode<T> {
     dep_node: DepNodeIndex,