From: Ted Kremenek <kremenek@apple.com>
Date: Tue, 13 Jan 2009 22:16:45 +0000 (+0000)
Subject: Fix corner cases in PTH getSpelling() binary search.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7bd88aa620406ab99547169b973de085785a0ca2;p=clang

Fix corner cases in PTH getSpelling() binary search.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62187 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/PTHLexer.cpp b/lib/Lex/PTHLexer.cpp
index 4a84f9b3af..c5fc6f3da7 100644
--- a/lib/Lex/PTHLexer.cpp
+++ b/lib/Lex/PTHLexer.cpp
@@ -400,6 +400,9 @@ unsigned PTHSpellingSearch::getSpellingBinarySearch(unsigned fpos,
     }
     
     if (TokOffset < fpos) {
+      if (i == min)
+        break;
+      
       min = i;
       continue;
     }