Look like you guy have a bug fix. LAPACK 3.8.0 was in MKL 2019 initial release.
From release note,
Aligned MKL LAPACK functionality with Netlib LAPACK 3.7.1 and 3.8.0
Thanks, case close.
Yes, we aligned with LAPACK 3.8 since the initial version of MKL 2019 (https://software.intel.com/en-us/articles/intel-math-kernel-library-release-notes-and-new-features). the problem with ilaevr function returned the wrong version of LAPACK has been fixed in MKL v.2020.1