1. Open project attached(AssetBundleRebuildTest1.zip)
2. Click "BuildTools/Build/Build AssetBundles for Win64" in the menu to build Asset Bundles.
3. Quit the Unity and Rename the folder of bundles what was build on the previous step.
4. Delete the Library folder and reopen the project.
5. Repeat step 2 and compare "copy_3v3_publish" of both folders.

Expected result: They will be identical.
Actual result: m_PathID is different in some places.

Reproduced on: 5.50f3, 5.5.2p4, 5.5.3f1, 2017.1.0a6.
Works fine on: 5.6.0f3.

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Fixed on: 2017.1.0b5, 5.6.1p1 and should also be fixed in 5.5.3p4.