Reproduction steps:
1. Create a new project.
2. Import attached FBX file.

Expected behavior:
* FBX imports successfully.
OR
* Warning is shown that it is impossible.

Actual behavior:
* Importing process gets stuck on "Importing small assets" step.
OR
* Editor crashes on:
0x0000000140CB6F1E (Unity) FindGridCell
0x0000000140CB7A52 (Unity) genTangSpace
0x00000001407D7E80 (Unity) GenerateMikkTSpace
0x00000001407DD7BD (Unity) GenerateMeshData
0x00000001407DEBA3 (Unity) GenerateMeshData
0x0000000140730FDC (Unity) ModelImporter::InstantiateImportMesh
0x000000014073159B (Unity) ModelImporter::InstantiateImportNode
0x0000000140731E47 (Unity) ModelImporter::InstantiateImportNode
0x000000014073EF81 (Unity) ModelImporter::GenerateAll
0x00000001407401CB (Unity) ModelImporter::GenerateAssetData
0x00000001406BC98D (Unity) AssetDatabase::ImportAsset
0x00000001406CBC1F (Unity) AssetDatabase::UpdateAsset
0x00000001407712C4 (Unity) AssetInterface::ProcessAssetsImplementation
0x0000000140771F98 (Unity) AssetInterface::StopAssetEditing
0x0000000140778625 (Unity) AssetInterface::Refresh
0x0000000140B03693 (Unity) AssetsMenu::ImportNewAsset
0x0000000140B03E02 (Unity) AssetsMenu::Execute
0x0000000140C5AE92 (Unity) MenuController::ExecuteMenuItem
0x0000000140E27F6F (Unity) ShowDelayedContextMenu
0x0000000140E1AA3C (Unity) GUIView::OnInputEvent
0x0000000140E1B8C7 (Unity) GUIView::ProcessEventMessages
0x0000000140E1D2DF (Unity) GUIView::GUIViewWndProc
0x00007FFA517C1169 (USER32) DispatchMessageW
0x00007FFA517C0C97 (USER32) DispatchMessageW
0x00007FFA2577564D (libcef) cef_trace_event_instant
0x00007FFA25775302 (libcef) cef_trace_event_instant
0x00007FFA257757DB (libcef) cef_trace_event_instant
0x00007FFA25760E20 (libcef) cef_trace_event_instant
0x00007FFA256D3FD8 (libcef) cef_time_to_timet
0x0000000140E2A85F (Unity) FindMonoBinaryToUse
0x0000000140E2BEE1 (Unity) WinMain
0x000000014159E3A4 (Unity) read
0x00007FFA4F628102 (KERNEL32) BaseThreadInitThunk

Regression introduced in 5.3