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Bug 932851 - Do not read from empty buffers when discarding, r=jorendorff
--HG-- extra : rebase_source : c7e537f280ee0b35c67a7aee9ad4d4b60d646dbd
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@ -345,6 +345,8 @@ static void
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Discard(const uint64_t *begin, const uint64_t *end)
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{
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const uint64_t *point = begin;
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if (begin >= end)
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return; // Empty buffer
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uint64_t u = LittleEndian::readUint64(point++);
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uint32_t tag = uint32_t(u >> 32);
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