Do not ICE on invalid type node

LeSeulArtichaut · LeSeulArtichaut · commit c8401a504646 · 2020-02-29T14:19:48.000+01:00
diff --git a/src/librustc_typeck/check/expr.rs b/src/librustc_typeck/check/expr.rs
@@ -1312,6 +1312,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
         ty_span: Span,
     ) {
         if variant.recovered {
+            self.set_tainted_by_errors();
             return;
         }
         let mut err = self.type_error_struct_with_diag(

Original file line number	Diff line number	Diff line change
`@@ -1312,6 +1312,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {`
`1312`	`1312`	`ty_span: Span,`
`1313`	`1313`	`) {`
`1314`	`1314`	`if variant.recovered {`
	`1315`	`+ self.set_tainted_by_errors();`
`1315`	`1316`	`return;`
`1316`	`1317`	`}`
`1317`	`1318`	`let mut err = self.type_error_struct_with_diag(`