Make PlaceRef lifetimes of borrowed_content_source be both 'tcx

src/librustc_mir/borrow_check/diagnostics/mod.rs

@@ -399,7 +399,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
 
     pub(super) fn borrowed_content_source(
         &self,
-        deref_base: PlaceRef<'cx, 'tcx>,
+        deref_base: PlaceRef<'tcx, 'tcx>,
     ) -> BorrowedContentSource<'tcx> {
         let tcx = self.infcx.tcx;
 

src/librustc_mir/borrow_check/diagnostics/mutability_errors.rs

@@ -23,7 +23,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
         &mut self,
         access_place: &Place<'tcx>,
         span: Span,
-        the_place_err: PlaceRef<'cx, 'tcx>,
+        the_place_err: PlaceRef<'tcx, 'tcx>,
         error_access: AccessKind,
         location: Location,
     ) {