1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_mir_dataflow/src/framework/graphviz.rs b/compiler/rustc_mir_dataflow/src/framework/graphviz.rs
index 579fe68a1..c9d5601f2 100644
--- a/compiler/rustc_mir_dataflow/src/framework/graphviz.rs
+++ b/compiler/rustc_mir_dataflow/src/framework/graphviz.rs
@@ -475,7 +475,10 @@ where
                 r#"<td colspan="{colspan}" {fmt} align="left">{state}</td>"#,
                 colspan = this.style.num_state_columns(),
                 fmt = fmt,
-                state = format!("{:?}", DebugWithAdapter { this: state, ctxt: analysis }),
+                state = dot::escape_html(&format!(
+                    "{:?}",
+                    DebugWithAdapter { this: state, ctxt: analysis }
+                )),
             )
         })
     }