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bytes.Buffer.ReadFrom: fix bug.
Fixes #852. R=rsc CC=golang-dev https://golang.org/cl/1680042
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@ -134,7 +134,7 @@ func (b *Buffer) ReadFrom(r io.Reader) (n int64, err os.Error) {
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b.off = 0
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b.off = 0
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}
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}
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m, e := r.Read(b.buf[len(b.buf):cap(b.buf)])
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m, e := r.Read(b.buf[len(b.buf):cap(b.buf)])
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b.buf = b.buf[b.off : len(b.buf)+m]
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b.buf = b.buf[0 : len(b.buf)+m]
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n += int64(m)
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n += int64(m)
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if e == os.EOF {
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if e == os.EOF {
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break
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break
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