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regexp: re-order short input fast path #79645

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regexp: re-order short input fast path #79645

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8 changes: 4 additions & 4 deletions src/regexp/exec.go
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Original file line number Diff line number Diff line change
Expand Up @@ -519,15 +519,15 @@ func (re *Regexp) doMatch(r io.RuneReader, b []byte, s string) bool {
//
// nil is returned if no matches are found and non-nil if matches are found.
func (re *Regexp) find(r io.RuneReader, b []byte, s string, pos int, ncap int, dstCap []int) []int {
if r == nil && len(b)+len(s) < re.minInputLen {
return nil
}

if dstCap == nil {
// Make sure 'return dstCap' is non-nil.
dstCap = arrayNoInts[:0:0]
}

if r == nil && len(b)+len(s) < re.minInputLen {
return nil
}

if re.onepass != nil {
return re.doOnePass(r, b, s, pos, ncap, dstCap)
}
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