BUG: Ensure too many advanced indices raises an exception #18257
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The number of indices is limited to 2*MAXDIMS currently to allow mixing integer indices, e.g. with new indices `np.newaxis` (one removes output dimensions, the other adds new ones). This means that more than MAXDIMS advanced indices can be passed on to the advanced indexing machinery (`MapIterNew`), which did not check for this possibility. Closes numpygh-18145
charris
added
00 - Bug
component: numpy._core
08 - Backport
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Backport of #18150.
The number of indices is limited to 2*MAXDIMS currently to allow
mixing integer indices, e.g. with new indices np.newaxis (one
removes output dimensions, the other adds new ones).
This means that more than MAXDIMS advanced indices can be passed
on to the advanced indexing machinery (MapIterNew), which did
not check for this possibility.
Closes gh-18145