Erase regions before calling tcx.resolve_instance

Aaron1011 · Aaron1011 · commit 2bbc1724d521 · 2020-02-28T16:08:07.000-05:00
diff --git a/src/librustc/ty/instance.rs b/src/librustc/ty/instance.rs
@@ -278,7 +278,7 @@ impl<'tcx> Instance<'tcx> {
         def_id: DefId,
         substs: SubstsRef<'tcx>,
     ) -> Option<Instance<'tcx>> {
-        tcx.resolve_instance((param_env, def_id, substs))
+        tcx.resolve_instance((tcx.erase_regions(&param_env), def_id, tcx.erase_regions(&substs)))
     }
 
     pub fn resolve_for_fn_ptr(

Original file line number	Diff line number	Diff line change
`@@ -278,7 +278,7 @@ impl<'tcx> Instance<'tcx> {`
`278`	`278`	`def_id: DefId,`
`279`	`279`	`substs: SubstsRef<'tcx>,`
`280`	`280`	`) -> Option<Instance<'tcx>> {`
`281`		`- tcx.resolve_instance((param_env, def_id, substs))`
	`281`	`+ tcx.resolve_instance((tcx.erase_regions(&param_env), def_id, tcx.erase_regions(&substs)))`
`282`	`282`	`}`
`283`	`283`
`284`	`284`	`pub fn resolve_for_fn_ptr(`