From 54bd7cb491cce1fb55ce1baac40cf7002a317166 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 28 May 2008 16:35:02 +0000
Subject: [PATCH] add an assertion

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51645 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Rewrite/Rewriter.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Rewrite/Rewriter.cpp b/lib/Rewrite/Rewriter.cpp
index bea7c00352..e1a6651a9a 100644
--- a/lib/Rewrite/Rewriter.cpp
+++ b/lib/Rewrite/Rewriter.cpp
@@ -100,6 +100,7 @@ int Rewriter::getRangeSize(SourceRange Range) const {
 
 unsigned Rewriter::getLocationOffsetAndFileID(SourceLocation Loc,
                                               unsigned &FileID) const {
+  assert(Loc.isValid() && "Invalid location");
   std::pair<unsigned,unsigned> V = SourceMgr->getDecomposedFileLoc(Loc);
   FileID = V.first;
   return V.second;
-- 
2.50.1