fix for pre-NLL rustc

RalfJung · RalfJung · commit fdc3a3ed0cf7 · 2018-11-05T09:17:48.000+01:00
diff --git a/src/librustc_mir/interpret/validity.rs b/src/librustc_mir/interpret/validity.rs
@@ -133,7 +133,7 @@ fn scalar_format<Tag>(value: ScalarMaybeUndef<Tag>) -> String {
     }
 }
 
-struct ValidityVisitor<'rt, 'a, 'tcx, Tag> {
+struct ValidityVisitor<'rt, 'a, 'tcx: 'a+'rt, Tag: 'static> {
     op: OpTy<'tcx, Tag>,
     /// The `path` may be pushed to, but the part that is present when a function
     /// starts must not be changed!  `visit_fields` and `visit_array` rely on

Original file line number	Diff line number	Diff line change
`@@ -133,7 +133,7 @@ fn scalar_format<Tag>(value: ScalarMaybeUndef<Tag>) -> String {`
`133`	`133`	`}`
`134`	`134`	`}`
`135`	`135`
`136`		`-struct ValidityVisitor<'rt, 'a, 'tcx, Tag> {`
	`136`	`+struct ValidityVisitor<'rt, 'a, 'tcx: 'a+'rt, Tag: 'static> {`
`137`	`137`	`op: OpTy<'tcx, Tag>,`
`138`	`138`	/// The `path` may be pushed to, but the part that is present when a function
`139`	`139`	/// starts must not be changed! `visit_fields` and `visit_array` rely on