From 4f2e16ed39763ab3eecb19b1d24961dfdc77a678 Mon Sep 17 00:00:00 2001
From: k-hara <k.hara.pg@gmail.com>
Date: Mon, 22 Jun 2015 21:40:16 +0900
Subject: [PATCH] fix Issue 14685 - Silent incorrect behavior with enforce and
 custom exception

---
 std/exception.d | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/std/exception.d b/std/exception.d
index 28cce48eb72..0615490f229 100644
--- a/std/exception.d
+++ b/std/exception.d
@@ -394,7 +394,7 @@ private void bailOut(E : Throwable = Exception)(string file, size_t line, in cha
     }
     else
     {
-        static assert("Expected this(string, string, size_t) or this(string, size_t)" ~
+        static assert(0, "Expected this(string, string, size_t) or this(string, size_t)" ~
             " constructor for " ~ __traits(identifier, E));
     }
 }
@@ -509,6 +509,17 @@ deprecated unittest
     enforce!(S, __FILE__, __LINE__)(s, "");
 }
 
+unittest
+{
+    // Issue 14685
+
+    class E : Exception
+    {
+        this() { super("Not found"); }
+    }
+    static assert(!__traits(compiles, { enforce!E(false); }));
+}
+
 /++
     If $(D !!value) is true, $(D value) is returned. Otherwise, $(D ex) is thrown.