STEP 0:
    modifications:
        U : l1.0.kt -> l1.kt
    added file: l1.kt
STEP 1:
    modifications:
        U : l1.1.kt -> l1.kt
    modified ir: l1.kt
    updated exports: l1.kt
STEP 2:
    modifications:
        U : l1.2.kt -> l1.kt
    modified ir: l1.kt
    updated exports: l1.kt
STEP 3:
STEP 4:
    modifications <js>:
        U : l1.4.bug.kt -> l1.kt
    modifications <wasm>:
        U : l1.4.wasm.kt -> l1.kt
    modified ir: l1.kt
STEP 5:
STEP 6:
    modifications:
        U : l1.6.kt -> l1.kt
    modified ir: l1.kt
    updated exports: l1.kt
STEP 7:
    updated exports: l1.kt
