From dc9faddf223a622a001c4b3a9790e12312be4cac Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Wed, 17 Jan 2018 10:30:20 +0000
Subject: [PATCH] Try to fix constructor_tests on Visual C++ 7.1

I'm really not sure why it fails to compile, the error message isn't very
helpful.  I assume it might be because allocator1 has an explicit default
constructor, so I tried making it implicit.
---
 test/objects/test.hpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/test/objects/test.hpp b/test/objects/test.hpp
index 8ea6d2de..8659eae6 100644
--- a/test/objects/test.hpp
+++ b/test/objects/test.hpp
@@ -354,7 +354,12 @@ namespace test {
       typedef allocator1<U> other;
     };
 
-    explicit allocator1(int t = 0) : tag_(t)
+    allocator1() : tag_(0)
+    {
+      detail::tracker.allocator_ref();
+    }
+
+    explicit allocator1(int t) : tag_(t)
     {
       detail::tracker.allocator_ref();
     }
@@ -601,7 +606,12 @@ namespace test {
       typedef allocator2<U> other;
     };
 
-    explicit allocator2(int t = 0) : tag_(t)
+    allocator2() : tag_(0)
+    {
+      detail::tracker.allocator_ref();
+    }
+
+    explicit allocator2(int t) : tag_(t)
     {
       detail::tracker.allocator_ref();
     }