From 0a84ff07bd13a1c2261b4f2db2e1042487431dfe Mon Sep 17 00:00:00 2001
From: Bruno Dutra <brunocodutra@gmail.com>
Date: Sun, 26 Aug 2018 16:28:35 +0200
Subject: [PATCH] Add an info log when snapshotting the constant evaluation
 context

---
 src/librustc_mir/interpret/eval_context.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/librustc_mir/interpret/eval_context.rs b/src/librustc_mir/interpret/eval_context.rs
index cc6d6d433f8..de76064b7cd 100644
--- a/src/librustc_mir/interpret/eval_context.rs
+++ b/src/librustc_mir/interpret/eval_context.rs
@@ -235,6 +235,8 @@ impl<'a, 'mir, 'tcx, M> InfiniteLoopDetector<'a, 'mir, 'tcx, M>
             return Ok(())
         }
 
+        info!("snapshotting the state of the interpreter");
+
         if self.snapshots.insert(EvalSnapshot::new(machine, memory, stack)) {
             // Spurious collision or first cycle
             return Ok(())