Fix remaining bugs

[rust.git] / src / librustdoc / scrape_examples.rs

diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs
index a2357a6261753c0923a09745641071f8b7dbe27c..10b6fdf87f41972c414708bfa452b91b8c9fe61e 100644 (file)
--- a/src/librustdoc/scrape_examples.rs
+++ b/src/librustdoc/scrape_examples.rs
@@ -145,6 +145,7 @@ fn visit_expr(&mut self, ex: &'tcx hir::Expr<'tcx>) {
                 if let Some(ty) = types.node_type_opt(f.hir_id) {
                     (ty, ex.span)
                 } else {
+                    trace!("node_type_opt({}) = None", f.hir_id);
                     return;
                 }
             }
@@ -153,6 +154,7 @@ fn visit_expr(&mut self, ex: &'tcx hir::Expr<'tcx>) {
                 let def_id = if let Some(def_id) = types.type_dependent_def_id(ex.hir_id) {
                     def_id
                 } else {
+                    trace!("type_dependent_def_id({}) = None", ex.hir_id);
                     return;
                 };
                 (tcx.type_of(def_id), span)