git: openjdk/leyden: premain: Check recompilation schedule existence to avoid potential crashes if the

[duke]

Changeset: e1a591e7
Author:    Igor Veresov <igor.veresov at oracle.com>
Date:      2023-08-25 09:01:00 +0000
URL:       https://git.openjdk.org/leyden/commit/e1a591e79983ba3527183de78dab3290242a55c1

Check recompilation schedule existence to avoid potential crashes if the
CDS archive doesn't contain it.

! src/hotspot/share/compiler/compilationPolicy.cpp
! src/hotspot/share/oops/trainingData.hpp