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Diffstat (limited to 'libgo/go/regexp/syntax/regexp.go')
| -rw-r--r-- | libgo/go/regexp/syntax/regexp.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libgo/go/regexp/syntax/regexp.go b/libgo/go/regexp/syntax/regexp.go index ae5fa053f98..3a4d2d201cd 100644 --- a/libgo/go/regexp/syntax/regexp.go +++ b/libgo/go/regexp/syntax/regexp.go @@ -139,7 +139,7 @@ func writeRegexp(b *strings.Builder, re *Regexp) { b.WriteRune('[') if len(re.Rune) == 0 { b.WriteString(`^\x00-\x{10FFFF}`) - } else if re.Rune[0] == 0 && re.Rune[len(re.Rune)-1] == unicode.MaxRune { + } else if re.Rune[0] == 0 && re.Rune[len(re.Rune)-1] == unicode.MaxRune && len(re.Rune) > 2 { // Contains 0 and MaxRune. Probably a negated class. // Print the gaps. b.WriteRune('^') |