memory leak in new(tbb::task::allocate_root()) ?

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memory leak in new(tbb::task::allocate_root()) ?

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I have the following code :
MyTask& cefft = *new( tbb::task::allocate_root() )MyTask(...)
...
cefft.execute();

The memory tool (Inspector) reports memory leak here.

I didn't delete cefft task as when I tried, I got glibc error. I saw tbb task example didn't delete task allocated like this.

Is there a proper way to delete this task? Why the Inspector reports memory leak?

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