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Prevent potential undefined behavior by shifting by a wrapped uint.

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Found by clang static analyzer.
This commit is contained in:
John Ralls 2018-11-28 15:37:25 +09:00
parent 606d9cfee6
commit 3d1362757b
1 changed files with 2 additions and 0 deletions
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2
libgnucash/engine/gnc-int128.cpp
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@ -374,6 +374,8 @@ GncInt128&
GncInt128::operator<<= (unsigned int i) noexcept
{
auto flags = get_flags(m_hi);
if (i == 0)
return *this;
if (i > maxbits)
{
flags &= 0xfe;