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Fix failed assertion in ScriptUtils::Intersection 

fixes #9621
This commit is contained in:
Gunnar Beutner 2015-07-15 08:19:55 +02:00
parent dcef213c8f
commit d98f9a3c92
1 changed files with 15 additions and 4 deletions
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19
lib/base/scriptutils.cpp
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@ -138,7 +138,10 @@ Array::Ptr ScriptUtils::Intersection(const std::vector<Value>& arguments)
Array::Ptr arr1 = arg1->ShallowClone();
for (std::vector<Value>::size_type i = 1; i < arguments.size(); i++) {
std::sort(arr1->Begin(), arr1->End());
{
ObjectLock olock(arr1);
std::sort(arr1->Begin(), arr1->End());
}
Array::Ptr arg2 = arguments[i];
@ -146,11 +149,19 @@ Array::Ptr ScriptUtils::Intersection(const std::vector<Value>& arguments)
return result;
Array::Ptr arr2 = arg2->ShallowClone();
std::sort(arr2->Begin(), arr2->End());
{
ObjectLock olock(arr2);
std::sort(arr2->Begin(), arr2->End());
}
result->Resize(std::max(arr1->GetLength(), arr2->GetLength()));
Array::Iterator it = std::set_intersection(arr1->Begin(), arr1->End(), arr2->Begin(), arr2->End(), result->Begin());
result->Resize(it - result->Begin());
Array::SizeType len;
{
ObjectLock olock(arr1), xlock(arr2), ylock(result);
Array::Iterator it = std::set_intersection(arr1->Begin(), arr1->End(), arr2->Begin(), arr2->End(), result->Begin());
len = it - result->Begin();
}
result->Resize(len);
arr1 = result;
}