rustc_plugin: fix compilation

flodiebold · flodiebold · commit 2b790f75c58b · 2016-11-29T13:04:27.000+01:00
diff --git a/src/librustc_plugin/build.rs b/src/librustc_plugin/build.rs
@@ -35,6 +35,8 @@ impl<'v> ItemLikeVisitor<'v> for RegistrarFinder {
 
     fn visit_impl_item(&mut self, _impl_item: &hir::ImplItem) {
     }
+
+    fn visit_expr_id(&mut self, _: hir::ExprId) { }
 }
 
 /// Find the function marked with `#[plugin_registrar]`, if any.

Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,8 @@ impl<'v> ItemLikeVisitor<'v> for RegistrarFinder {`
`35`	`35`
`36`	`36`	`fn visit_impl_item(&mut self, _impl_item: &hir::ImplItem) {`
`37`	`37`	`}`
	`38`	`+`
	`39`	`+ fn visit_expr_id(&mut self, _: hir::ExprId) { }`
`38`	`40`	`}`
`39`	`41`
`40`	`42`	/// Find the function marked with `#[plugin_registrar]`, if any.