We shouldn't store the timestamp of $JAVA_HOME/lib/modules into the CDS archive. Otherwise the contents of the CDS archive will be environment dependent (on the time of the build) and thus will not be deterministic

Here's the fix

$ git diff
diff --git a/src/hotspot/share/cds/aotClassLocation.cpp b/src/hotspot/share/cds/aotClassLocation.cpp
index c083213b933..6df2a9c1634 100644
--- a/src/hotspot/share/cds/aotClassLocation.cpp
+++ b/src/hotspot/share/cds/aotClassLocation.cpp
@@ -270,7 +270,7 @@ AOTClassLocation* AOTClassLocation::allocate(JavaThread* current, const char* pa
   cs->_manifest_length = manifest_length;
   cs->_check_time = check_time;
   cs->_from_cpattr = from_cpattr;
- cs->_timestamp = timestamp;
+ cs->_timestamp = check_time ? timestamp : 0;
   cs->_filesize = filesize;
   cs->_file_type = type;
   cs->_group = group;