Update to go-org 1.3.2 (#12728)

* Update to go-org 1.3.2

Fix #12727

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Fix unit test

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

vendor/github.com/dlclark/regexp2/.travis.yml

@@ -1,5 +1,5 @@
 language: go
 
 go:
-  - 1.5
+  - 1.9
   - tip

vendor/github.com/dlclark/regexp2/regexp.go

@@ -235,17 +235,14 @@ func (re *Regexp) getRunesAndStart(s string, startAt int) ([]rune, int) {
 		ret[i] = r
 		i++
 	}
+	if startAt == len(s) {
+		runeIdx = i
+	}
 	return ret[:i], runeIdx
 }
 
 func getRunes(s string) []rune {
-	ret := make([]rune, len(s))
-	i := 0
-	for _, r := range s {
-		ret[i] = r
-		i++
-	}
-	return ret[:i]
+	return []rune(s)
 }
 
 // MatchRunes return true if the runes matches the regex

vendor/github.com/dlclark/regexp2/syntax/parser.go

@@ -1250,10 +1250,10 @@ func (p *parser) scanBasicBackslash(scanOnly bool) (*regexNode, error) {
 			return nil, nil
 		}
 
-		if p.useOptionE() || p.isCaptureSlot(capnum) {
+		if p.isCaptureSlot(capnum) {
 			return newRegexNodeM(ntRef, p.options, capnum), nil
 		}
-		if capnum <= 9 {
+		if capnum <= 9 && !p.useOptionE() {
 			return nil, p.getErr(ErrUndefinedBackRef, capnum)
 		}
 
@@ -1808,11 +1808,11 @@ func (p *parser) scanOctal() rune {
 	i := 0
 	d := int(p.rightChar(0) - '0')
 	for c > 0 && d <= 7 {
-		i *= 8
-		i += d
-		if p.useOptionE() && i >= 0x20 {
+		if i >= 0x20 && p.useOptionE() {
 			break
 		}
+		i *= 8
+		i += d
 		c--
 
 		p.moveRight(1)