From 9f1f3633e20e1b6ab1d162526b0202e8f976bee8 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Thu, 3 May 2018 17:32:03 +1000
Subject: [PATCH] debug: catch exceptions by constref in CHECK_THROWS

---
 debug.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debug.hpp b/debug.hpp
index 87ac774f..7caf9e22 100644
--- a/debug.hpp
+++ b/debug.hpp
@@ -341,7 +341,7 @@
                                                             \
         try                                                 \
             { C; }                                          \
-        catch (E)                                           \
+        catch (E const&)                                    \
             { caught = true; }                              \
                                                             \
         if (!caught)                                        \