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Work around strange gcc bug #363

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Aug 22, 2023
Merged

Work around strange gcc bug #363

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11 changes: 7 additions & 4 deletions thrust/testing/transform.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -265,10 +265,13 @@ void TestTransformBinarySimple(void)

typename Vector::iterator iter;

Vector input1(3);
Vector input2(3);
Vector output(3);
Vector result(3);
// There is a strange gcc bug here where it belives we would write out of bounds.
// It seems to go away if we add one more element that we leave untouched. Luckily 0 - 0 = 0 so all is fine.
// Note that we still write the element, so it does not hide a functional thrust bug
Vector input1(4);
Vector input2(4);
Vector output(4);
Vector result(4);
input1[0] = 1; input1[1] = -2; input1[2] = 3;
input2[0] = -4; input2[1] = 5; input2[2] = 6;
result[0] = 5; result[1] = -7; result[2] = -3;
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