From 287285fa7def8bef54885d596b4cbef234d3f34a Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Wed, 26 Sep 2018 08:56:24 +1000
Subject: Backport: Bug [#2046]. Optimize setting up representation.

Backport of changeset 7096:60dee13d68b2.
---
 src/PositionCache.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/PositionCache.cxx b/src/PositionCache.cxx
index ec8de83ba..e27699bfe 100644
--- a/src/PositionCache.cxx
+++ b/src/PositionCache.cxx
@@ -386,13 +386,14 @@ SpecialRepresentations::SpecialRepresentations() {
 }
 
 void SpecialRepresentations::SetRepresentation(const char *charBytes, const char *value) {
-	MapRepresentation::iterator it = mapReprs.find(KeyFromString(charBytes, UTF8MaxBytes));
+	const unsigned int key = KeyFromString(charBytes, UTF8MaxBytes);
+	MapRepresentation::iterator it = mapReprs.find(key);
 	if (it == mapReprs.end()) {
 		// New entry so increment for first byte
 		const unsigned char ucStart = charBytes[0];
 		startByteHasReprs[ucStart]++;
 	}
-	mapReprs[KeyFromString(charBytes, UTF8MaxBytes)] = Representation(value);
+	mapReprs[key] = Representation(value);
 }
 
 void SpecialRepresentations::ClearRepresentation(const char *charBytes) {
-- 
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