From e02dc4af4bf3104574f5fe96f1b51cb27f65c508 Mon Sep 17 00:00:00 2001
From: Aaron Hill <aa1ronham@gmail.com>
Date: Tue, 19 Nov 2019 15:31:37 -0500
Subject: [PATCH] Re-add comment

---
 src/shims/panic.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/shims/panic.rs b/src/shims/panic.rs
index ef9843056a..59ff1a870d 100644
--- a/src/shims/panic.rs
+++ b/src/shims/panic.rs
@@ -47,6 +47,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
 
         trace!("miri_start_panic: {:?}", this.frame().span);
 
+        // Get the raw pointer stored in arg[0] (the panic payload).
         let scalar = this.read_immediate(args[0])?;
         assert!(this.machine.panic_payload.is_none(), "the panic runtime should avoid double-panics");
         this.machine.panic_payload = Some(scalar);