libphobos: Merge phobos and druntime with upstream.

[thirdparty/gcc.git] / libphobos / src / std / experimental / typecons.d

diff --git a/libphobos/src/std/experimental/typecons.d b/libphobos/src/std/experimental/typecons.d
index e1d90d77f7f5de3480da608a01a1aeef65b89d95..6906f05a4a86defaf7323bc3c2aa24e2efaf8f0e 100644 (file)
--- a/libphobos/src/std/experimental/typecons.d
+++ b/libphobos/src/std/experimental/typecons.d
@@ -113,8 +113,12 @@ if (Targets.length >= 1 && allSatisfy!(isMutable, Targets))
             else
             {
                 enum foundFunc = findCovariantFunction!(TargetMembers[i], Source, SourceMembers);
-                static if (foundFunc == -1)
-                    pragma(msg, "Could not locate matching function for: " ~ TargetMembers[i].stringof);
+                debug
+                {
+                    static if (foundFunc == -1)
+                        pragma(msg, "Could not locate matching function for: ",
+                               TargetMembers[i].stringof);
+                }
                 enum hasRequiredMethods =
                     foundFunc != -1 &&
                     hasRequiredMethods!(i + 1);