From f3f51871ff50d989741a66bd618d19dce38d2a0d Mon Sep 17 00:00:00 2001
From: Chris Bracken <chris@bracken.jp>
Date: Wed, 10 Apr 2019 18:40:59 -0700
Subject: [PATCH] Eliminate unused write to local

In GraphemeBreak::isGraphemeBreak() p0 is never read and
tailoredGraphemeClusterBreak() has no side-effects, so the call can be
eliminated.
---
 third_party/txt/src/minikin/GraphemeBreak.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/third_party/txt/src/minikin/GraphemeBreak.cpp b/third_party/txt/src/minikin/GraphemeBreak.cpp
index 7e907352537c9..b711fae9aab7b 100644
--- a/third_party/txt/src/minikin/GraphemeBreak.cpp
+++ b/third_party/txt/src/minikin/GraphemeBreak.cpp
@@ -150,7 +150,6 @@ bool GraphemeBreak::isGraphemeBreak(const float* advances,
     if (p0 == U_GCB_EXTEND && offset_backback > start) {
       // skip over emoji variation selector
       U16_PREV(buf, start, offset_backback, c0);
-      p0 = tailoredGraphemeClusterBreak(c0);
     }
     if (isEmojiBase(c0)) {
       return false;