From da72a3176fba32b39049d070fbd2d789bbbfe8b6 Mon Sep 17 00:00:00 2001
From: vogelheim <vogelheim@chromium.org>
Date: Wed, 23 Nov 2016 05:48:31 -0800
Subject: [PATCH] Prevent read-after-buffer in
 SourcePositionTableIterator::Advance.

R=yangguo@chromium.org
BUG=chromium:667142

Review-Url: https://codereview.chromium.org/2525663003
Cr-Commit-Position: refs/heads/master@{#41224}
---
 src/source-position-table.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/source-position-table.cc b/src/source-position-table.cc
index 845081b711..35d8e7c2f6 100644
--- a/src/source-position-table.cc
+++ b/src/source-position-table.cc
@@ -175,7 +175,7 @@ SourcePositionTableIterator::SourcePositionTableIterator(ByteArray* byte_array)
 void SourcePositionTableIterator::Advance() {
   DCHECK(!done());
   DCHECK(index_ >= 0 && index_ <= table_->length());
-  if (index_ == table_->length()) {
+  if (index_ >= table_->length()) {
     index_ = kDone;
   } else {
     PositionTableEntry tmp;