drop_tracking_mir: support new solver.

cjgillot · cjgillot · commit fba5d3dd03a0 · 2023-03-05T08:29:35.000Z
diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs
@@ -149,6 +149,6 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentCtxt<'tcx> {
         &mut self,
         _: &InferCtxt<'tcx>,
     ) -> Vec<PredicateObligation<'tcx>> {
-        unimplemented!()
+        std::mem::take(&mut self.obligations)
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -149,6 +149,6 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentCtxt<'tcx> {`
`149`	`149`	`&mut self,`
`150`	`150`	`_: &InferCtxt<'tcx>,`
`151`	`151`	`) -> Vec<PredicateObligation<'tcx>> {`
`152`		`- unimplemented!()`
	`152`	`+ std::mem::take(&mut self.obligations)`
`153`	`153`	`}`
`154`	`154`	`}`