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bit_util: bug: Infinite loop in HighestSetBit

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This commit is contained in:
MerryMage 2018-01-24 16:15:17 +00:00
parent 3caf192f60
commit 33bba6028c
1 changed files with 3 additions and 0 deletions
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3
src/common/bit_util.h
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@ -101,6 +101,9 @@ inline int HighestSetBit(T value) {
template <typename T>
inline size_t LowestSetBit(T value) {
auto x = static_cast<std::make_unsigned_t<T>>(value);
if (x == 0)
return BitSize<T>();
size_t result = 0;
while ((x & 1) == 0) {
x >>= 1;