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Pass by reference the first argument of ExtractLowBytes 

to avoid UB of passing uninitialized argument by value.

PiperOrigin-RevId: 406052814
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Snappy Team 2021-10-28 04:39:14 +00:00 committed by Victor Costan
parent fe18b46322
commit 65dc7b3839
1 changed files with 1 additions and 1 deletions
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snappy.cc
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@ -954,7 +954,7 @@ static inline void Report(const char *algorithm, size_t compressed_size,
// bool TryFastAppend(const char* ip, size_t available, size_t length, T* op);
// };
static inline uint32_t ExtractLowBytes(uint32_t v, int n) {
static inline uint32_t ExtractLowBytes(const uint32_t& v, int n) {
assert(n >= 0);
assert(n <= 4);
#if SNAPPY_HAVE_BMI2