fix calculation of end pointer

llvm-svn: 167006

diff --git a/clang/lib/Frontend/TextDiagnostic.cpp b/clang/lib/Frontend/TextDiagnostic.cpp
index 598238860d60dd8baf9980182a57908cd4050c1b..bbd96b91f59c636f6fc4aa151f1bbfa06401cd6d 100644 (file)
--- a/clang/lib/Frontend/TextDiagnostic.cpp
+++ b/clang/lib/Frontend/TextDiagnostic.cpp
@@ -127,7 +127,7 @@ printableTextForNextCharacter(StringRef SourceLine, size_t *i,
 
   unsigned char const *begin, *end;
   begin = reinterpret_cast<unsigned char const *>(&*(SourceLine.begin() + *i));
-  end = begin + SourceLine.size();
+  end = begin + (SourceLine.size() - *i);
   
   if (isLegalUTF8Sequence(begin, end)) {
     UTF32 c;