MODULES: lib1, lib2, main

STEP 0:
    libs: lib1, lib2, main
    dirty js modules: lib1, lib2, main
    dirty js files: lib1/l1, lib2/simpleFunction, lib2/inlineFunctionProxy, lib2/inlineFunction, main, main/m, main/m.export
STEP 1..4:
    libs: lib1, lib2, main
    dirty js modules: lib1, lib2
    dirty js files: lib1/l1, lib2/simpleFunction, lib2/inlineFunctionProxy, lib2/inlineFunction
STEP 5:
    libs: lib1, lib2, main
    dirty js modules: lib1
    dirty js files: lib1/l1
STEP 6..7:
    libs: lib1, lib2, main
    dirty js modules: lib1, lib2
    dirty js files: lib1/l1, lib2/simpleFunction, lib2/inlineFunctionProxy, lib2/inlineFunction