Update

vendor/golang.org/x/text/unicode/bidi/core.go

@@ -427,13 +427,6 @@ type isolatingRunSequence struct {
 
 func (i *isolatingRunSequence) Len() int { return len(i.indexes) }
 
-func maxLevel(a, b level) level {
-	if a > b {
-		return a
-	}
-	return b
-}
-
 // Rule X10, second bullet: Determine the start-of-sequence (sos) and end-of-sequence (eos) types,
 // either L or R, for each isolating run sequence.
 func (p *paragraph) isolatingRunSequence(indexes []int) *isolatingRunSequence {
@@ -474,8 +467,8 @@ func (p *paragraph) isolatingRunSequence(indexes []int) *isolatingRunSequence {
 		indexes: indexes,
 		types:   types,
 		level:   level,
-		sos:     typeForLevel(maxLevel(prevLevel, level)),
-		eos:     typeForLevel(maxLevel(succLevel, level)),
+		sos:     typeForLevel(max(prevLevel, level)),
+		eos:     typeForLevel(max(succLevel, level)),
 	}
 }