Test with trans_apply_param_substs

MaikKlein · arielb1 · commit ab0f8fcdac83 · 2017-12-18T17:08:49.000+02:00
diff --git a/src/librustc/ty/instance.rs b/src/librustc/ty/instance.rs
@@ -50,7 +50,8 @@ impl<'a, 'tcx> Instance<'tcx> {
               tcx: TyCtxt<'a, 'tcx, 'tcx>)
               -> Ty<'tcx>
     {
-        self.def.def_ty(tcx).subst(tcx, self.substs)
+        let ty = self.def.def_ty(tcx);
+        tcx.trans_apply_param_substs(self.substs, &ty)
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -50,7 +50,8 @@ impl<'a, 'tcx> Instance<'tcx> {`
`50`	`50`	`tcx: TyCtxt<'a, 'tcx, 'tcx>)`
`51`	`51`	`-> Ty<'tcx>`
`52`	`52`	`{`
`53`		`- self.def.def_ty(tcx).subst(tcx, self.substs)`
	`53`	`+ let ty = self.def.def_ty(tcx);`
	`54`	`+ tcx.trans_apply_param_substs(self.substs, &ty)`
`54`	`55`	`}`
`55`	`56`	`}`
`56`	`57`