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We now skip the destruction of array elements for `delete[] p`,
if the value of `p` is UnknownVal and does not have corresponding region.
This eliminate the crash in `getDynamicElementCount` on that
region and matches the behavior for deleting the array of
non-constant range.
Reviewed By: isuckatcs
Differential Revision: https://reviews.llvm.org/D136671
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Prior to this patch when the analyzer encountered a non-POD 0 length array,
it still invoked the constructor for 1 element, which lead to false positives.
This patch makes sure that we no longer construct any elements when we see a
0 length array.
Differential Revision: https://reviews.llvm.org/D131501
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The constructors of non-POD array elements are evaluated under
certain conditions. This patch makes sure that in such cases
we also evaluate the destructors.
Differential Revision: https://reviews.llvm.org/D130737
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