diff --git a/cc/sanitize.go b/cc/sanitize.go
index d39b0eb..b8cc432 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -511,7 +511,7 @@
 		s.Integer_overflow = nil
 	}
 
-	// CFI doesn't work for riscv64 yet because LTO doesn't work.
+	// TODO(b/254713216): CFI doesn't work for riscv64 yet because LTO doesn't work.
 	if ctx.Arch().ArchType == android.Riscv64 {
 		s.Cfi = nil
 		s.Diag.Cfi = nil