From: Chris Lattner <sabre@nondot.org>
Date: Fri, 16 Jan 2009 19:01:46 +0000 (+0000)
Subject: only notify callbacks if they exist.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=172e336b12fa32a1737f66d77a3f2de86f9cc8e8;p=clang

only notify callbacks if they exist.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62334 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/Pragma.cpp b/lib/Lex/Pragma.cpp
index 6087774353..667e4361a8 100644
--- a/lib/Lex/Pragma.cpp
+++ b/lib/Lex/Pragma.cpp
@@ -400,7 +400,8 @@ void Preprocessor::HandlePragmaComment(Token &Tok) {
   }
   
   // If the pragma is lexically sound, notify any interested PPCallbacks.
-  Callbacks->PragmaComment(CommentLoc, II, ArgumentString);
+  if (Callbacks)
+    Callbacks->PragmaComment(CommentLoc, II, ArgumentString);
 }