diff options
Diffstat (limited to 'compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_visualize.rs')
-rw-r--r-- | compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_visualize.rs | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_visualize.rs b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_visualize.rs index c0a0bfe8e..e8d31be79 100644 --- a/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_visualize.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_visualize.rs @@ -2,6 +2,7 @@ //! flow graph when needed for debugging. use rustc_graphviz as dot; +use rustc_hir::{Expr, ExprKind, Node}; use rustc_middle::ty::TyCtxt; use super::{DropRangesBuilder, PostOrderId}; @@ -80,10 +81,14 @@ impl<'a> dot::Labeller<'a> for DropRangesGraph<'_, '_> { .post_order_map .iter() .find(|(_hir_id, &post_order_id)| post_order_id == *n) - .map_or("<unknown>".into(), |(hir_id, _)| self - .tcx - .hir() - .node_to_string(*hir_id)) + .map_or("<unknown>".into(), |(hir_id, _)| format!( + "{}{}", + self.tcx.hir().node_to_string(*hir_id), + match self.tcx.hir().find(*hir_id) { + Some(Node::Expr(Expr { kind: ExprKind::Yield(..), .. })) => " (yield)", + _ => "", + } + )) ) .into(), ) |