IMS RESLIB needs to be allocated on SYSLIB in order to resolve ASMTDLI.
In Easytrieve Plus release 6.4, ASMTDLI is statically linked with EZTPA00 at installation time.
So your IMS RESLIB was needed when you ran your Installation job: JOB06.
In Easytrieve release 11.0x ASMTDLI is not statically linked with EZTPA00.
For EZT application programs that specify DLI statements, linkedits of these programs will still need the SYSLIB DD that references the IMS library that contains the ASMTDLI module.