From d86332799ca0820f204ed38707b05c12b61fd7f5 Mon Sep 17 00:00:00 2001
From: Brian White <mscdex@mscdex.net>
Date: Tue, 12 Jul 2016 12:20:46 -0400
Subject: [PATCH] src: clean up string_search

This commit removes some unnecessary signed checks on unsigned
variables.

PR-URL: https://github.com/nodejs/node/pull/7174
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 src/string_search.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/string_search.h b/src/string_search.h
index 01dbf9156e..4d61548fe2 100644
--- a/src/string_search.h
+++ b/src/string_search.h
@@ -53,7 +53,7 @@ class Vector {
 
   // Access individual vector elements - checks bounds in debug mode.
   T& operator[](size_t index) const {
-    ASSERT(0 <= index && index < length_);
+    ASSERT(index < length_);
     return start_[index];
   }
 
@@ -416,7 +416,7 @@ size_t StringSearch<PatternChar, SubjectChar>::BoyerMooreSearch(
         return subject.length();
       }
     }
-    while (j >= 0 && pattern[j] == (c = subject[index + j])) {
+    while (pattern[j] == (c = subject[index + j])) {
       if (j == 0) {
         return index;
       }
@@ -544,7 +544,7 @@ size_t StringSearch<PatternChar, SubjectChar>::BoyerMooreHorspoolSearch(
       }
     }
     j--;
-    while (j >= 0 && pattern[j] == (subject[index + j])) {
+    while (pattern[j] == (subject[index + j])) {
       if (j == 0) {
         return index;
       }