BUG: Reductions fail full cleanup on some errors #24003
Description
In some error paths in reduction full cleanup is failing:
**663466** **********************************************************************
**663466** build/testenv/lib/python3.9/site-packages/numpy/core/tests/test_ufunc.py::TestUfunc::test_reduction_where_initial_needed
**663466** **********************************************************************
==663466== 1,120 (+1,120) (928 (+928) direct, 192 (+192) indirect) bytes in 1 (+1) blocks are definitely lost in loss record 48,613 of 53,985
==663466== at 0x483877F: malloc (vg_replace_malloc.c:307)
==663466== by 0x71E057E: NpyIter_AdvancedNew (nditer_constr.c:200)
==663466== by 0x7218B86: PyUFunc_ReduceWrapper (reduction.c:282)
==663466== by 0x7234FDB: PyUFunc_Reduce (ufunc_object.c:3080)
==663466== by 0x7234FDB: PyUFunc_GenericReduction (ufunc_object.c:4210)
Also the following error, but it should be the identical issue.