From: Rui Ueyama <ruiu@google.com>
Date: Sun, 23 Mar 2014 22:07:26 +0000 (-0700)
Subject: unicode/utf16: remove unnecessary type conversions
X-Git-Tag: go1.3beta1~301
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=160649ff9adaffddf91c45da2767f3fdc99f6d73;p=gostls13.git

unicode/utf16: remove unnecessary type conversions

LGTM=iant
R=golang-codereviews, iant
CC=golang-codereviews
https://golang.org/cl/79080044
---

diff --git a/src/pkg/unicode/utf16/utf16.go b/src/pkg/unicode/utf16/utf16.go
index 903e4012aa..c0e47c535a 100644
--- a/src/pkg/unicode/utf16/utf16.go
+++ b/src/pkg/unicode/utf16/utf16.go
@@ -36,7 +36,7 @@ func IsSurrogate(r rune) bool {
 // the Unicode replacement code point U+FFFD.
 func DecodeRune(r1, r2 rune) rune {
 	if surr1 <= r1 && r1 < surr2 && surr2 <= r2 && r2 < surr3 {
-		return (rune(r1)-surr1)<<10 | (rune(r2) - surr2) + 0x10000
+		return (r1-surr1)<<10 | (r2 - surr2) + 0x10000
 	}
 	return replacementChar
 }