From 997c6a88216ac6a11bb864ab92fa4cf3da72f019 Mon Sep 17 00:00:00 2001
From: Amogh Shivaram <ashivaram264@gmail.com>
Date: Fri, 8 Aug 2025 00:20:55 -0500
Subject: [PATCH] Escape diff strings in graphviz

---
 compiler/rustc_mir_dataflow/src/framework/graphviz.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/rustc_mir_dataflow/src/framework/graphviz.rs b/compiler/rustc_mir_dataflow/src/framework/graphviz.rs
index a7d5422a3d721..f86a15a8f9215 100644
--- a/compiler/rustc_mir_dataflow/src/framework/graphviz.rs
+++ b/compiler/rustc_mir_dataflow/src/framework/graphviz.rs
@@ -800,6 +800,7 @@ where
     let re = regex!("\t?\u{001f}([+-])");
 
     let raw_diff = format!("{:#?}", DebugDiffWithAdapter { new, old, ctxt });
+    let raw_diff = dot::escape_html(&raw_diff);
 
     // Replace newlines in the `Debug` output with `<br/>`
     let raw_diff = raw_diff.replace('\n', r#"<br align="left"/>"#);