From: Rui Ueyama <ruiu@google.com>
Date: Sat, 22 Mar 2014 18:05:40 +0000 (-0700)
Subject: regexp: remove unused variables
X-Git-Tag: go1.3beta1~303
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=ed97788af9d3c38e48a7f34dd18f05ae80a48c9e;p=gostls13.git

regexp: remove unused variables

"min" and "max" in "case '{'" clause are fresh variables.
The variables defined in the outer scope never get value
other than 0.

LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/78750044
---

diff --git a/src/pkg/regexp/syntax/parse.go b/src/pkg/regexp/syntax/parse.go
index 42d0bf4a16..cb25dca395 100644
--- a/src/pkg/regexp/syntax/parse.go
+++ b/src/pkg/regexp/syntax/parse.go
@@ -668,7 +668,6 @@ func Parse(s string, flags Flags) (*Regexp, error) {
 		c          rune
 		op         Op
 		lastRepeat string
-		min, max   int
 	)
 	p.flags = flags
 	p.wholeRegexp = s
@@ -740,7 +739,7 @@ func Parse(s string, flags Flags) (*Regexp, error) {
 				op = OpQuest
 			}
 			after := t[1:]
-			if after, err = p.repeat(op, min, max, before, after, lastRepeat); err != nil {
+			if after, err = p.repeat(op, 0, 0, before, after, lastRepeat); err != nil {
 				return nil, err
 			}
 			repeat = before