STEP 0:
    dependencies: lib1
    modifications:
        U : js/l2js.0.kt -> js/l2js.kt
        U : common/l2common.0.kt -> common/l2common.kt
    added file: l2js.kt, l2common.kt
STEP 1:
    dependencies: lib1
    modifications:
        U : js/l2js.1.kt -> js/l2js.kt
    modified ir: l2js.kt

