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imgui: fix undefined behaviour bitshift. 

imgui_draw.cpp:1781: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour

Reported by coverity

Acked-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Dave Airlie 2019-05-17 11:26:57 +10:00
parent 2bfe5b8556
commit ebdddb36a0
1 changed files with 1 additions and 1 deletions
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2
src/imgui/imgui_draw.cpp
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@ -1778,7 +1778,7 @@ static void UnpackBoolVectorToFlatIndexList(const ImBoolVector* in, ImVector<int
for (const int* it = it_begin; it < it_end; it++)
if (int entries_32 = *it)
for (int bit_n = 0; bit_n < 32; bit_n++)
if (entries_32 & (1 << bit_n))
if (entries_32 & (1u << bit_n))
out->push_back((int)((it - it_begin) << 5) + bit_n);
}