core: use assert for config file loading
core: use assert for config file loading

Former-commit-id: c98219d99a36788cd854f308c3bc5d1c1b2b1de9 [formerly e46b7070f762441a62ccfd9fa08d59a8d89baddf]
Former-commit-id: 2c2475235a720b40832247e581ae5964832f692a
haste/ivar2,torhve/ivar2,torhve/ivar2,torhve/ivar2