From d47efc42ff7aa42a2e19449f034a61b2d0808471 Mon Sep 17 00:00:00 2001
From: "Kevin B. McCarty" <kmccarty@gmail.com>
Date: Sat, 9 May 2015 19:28:04 +0200
Subject: [PATCH] Remove redundant IsValid() checks from wxDateTime comparison
 methods

They're not necessary as GetValue() asserts when passed an invalid object
anyhow, there is no need to check for this twice.
---
 include/wx/datetime.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/include/wx/datetime.h b/include/wx/datetime.h
index be8bbdc30a..e6f438187d 100644
--- a/include/wx/datetime.h
+++ b/include/wx/datetime.h
@@ -816,37 +816,31 @@ public:
 
     inline bool operator<(const wxDateTime& dt) const
     {
-        wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") );
         return GetValue() < dt.GetValue();
     }
 
     inline bool operator<=(const wxDateTime& dt) const
     {
-        wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") );
         return GetValue() <= dt.GetValue();
     }
 
     inline bool operator>(const wxDateTime& dt) const
     {
-        wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") );
         return GetValue() > dt.GetValue();
     }
 
     inline bool operator>=(const wxDateTime& dt) const
     {
-        wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") );
         return GetValue() >= dt.GetValue();
     }
 
     inline bool operator==(const wxDateTime& dt) const
     {
-        wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") );
         return GetValue() == dt.GetValue();
     }
 
     inline bool operator!=(const wxDateTime& dt) const
     {
-        wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") );
         return GetValue() != dt.GetValue();
     }