From 1739b6cc2006fbbdc68b0a4b2d32452c17878f03 Mon Sep 17 00:00:00 2001
From: Chandler Carruth <chandlerc@gmail.com>
Date: Fri, 27 Dec 2013 04:44:35 +0000
Subject: [PATCH] Use two variables here rather than reusing (and abusing) one.
 This is much more clear to me. I meant to make this change before committing
 the original patch, but forgot to merge it in. Sorry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198069 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/LineIterator.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/Support/LineIterator.cpp b/lib/Support/LineIterator.cpp
index c14f96bf714..056d817526c 100644
--- a/lib/Support/LineIterator.cpp
+++ b/lib/Support/LineIterator.cpp
@@ -29,15 +29,14 @@ void line_iterator::advance() {
 
   const char *Pos = CurrentLine.end();
   assert(Pos == Buffer->getBufferStart() || *Pos == '\n' || *Pos == '\0');
-  size_t Length = 0;
 
   if (CommentMarker == '\0') {
     // If we're not stripping comments, this is simpler.
-    while (Pos[Length] == '\n')
-      ++Length;
-    Pos += Length;
-    LineNumber += Length;
-    Length = 0;
+    size_t Blanks = 0;
+    while (Pos[Blanks] == '\n')
+      ++Blanks;
+    Pos += Blanks;
+    LineNumber += Blanks;
   } else {
     // Skip comments and count line numbers, which is a bit more complex.
     for (;;) {
@@ -60,6 +59,7 @@ void line_iterator::advance() {
   }
 
   // Measure the line.
+  size_t Length = 0;
   do {
     ++Length;
   } while (Pos[Length] != '\0' && Pos[Length] != '\n');