Reproduction steps:
1. Download project "Sundae Month_Character Demo.zip" and open in Unity

Actual: crashes while opening the project
Expected: the project opens

Reproduced on: 2017.3.0a6; 2017.3.0b2
Not reproduced on: 2017.1.1p4; 2017.2.0f2; 2017.3.0a1; 2017.3.0a5
Regession introduced: 2017.3.0a6

Note:
Crashes only on Windows 7 Pro Service Pack 1

Stack trace:
0x000000014296E4A9 (Unity) physx::SubSortQuick::sort4
0x000000014296EC12 (Unity) physx::buildFromBounds
0x000000014296F344 (Unity) physx::RTreeCooker::buildFromTriangles
0x0000000142962A3B (Unity) physx::InternalTriangleMeshBuilder::createRTree
0x00000001429584AD (Unity) physx::TriangleMeshBuilder::loadFromDesc
0x0000000142956F8E (Unity) physx::Cooking::loadTriangleMeshDesc
0x00000001429577A2 (Unity) physx::Cooking::createTriangleMesh
0x0000000140977AA6 (Unity) CreatePxTriangleMeshFromUnityMesh
0x0000000140977E61 (Unity) CreatePxMeshFromUnityMesh
0x0000000140979DB5 (Unity) PhysicsModule::CreateNxMeshFromUnityMesh
0x0000000140943D99 (Unity) CollisionMeshData::GetSharedNxMesh
0x000000014096DD31 (Unity) MeshCollider::ExtractMeshGeometry
0x000000014096DEBD (Unity) MeshCollider::Create
0x0000000140946360 (Unity) Collider::CreatePhysXObjIfNeeded
0x0000000140958AED (Unity) Collider::AwakeFromLoad
0x0000000140AA2A8C (Unity) AwakeFromLoadQueue::InvokePersistentManagerAwake
0x0000000140AA59B9 (Unity) AwakeFromLoadQueue::PersistentManagerAwakeFromLoad
0x00000001408011B7 (Unity) LoadSceneOperation::CompleteAwakeSequence
0x000000014080166A (Unity) LoadSceneOperation::CompletePreloadManagerLoadSceneEditor
0x0000000140806773 (Unity) LoadSceneOperation::IntegrateMainThread
0x00000001408054B8 (Unity) PreloadManager::UpdatePreloadingSingleStep
0x000000014080564D (Unity) PreloadManager::WaitForAllAsyncOperationsToComplete
0x0000000140CA7257 (Unity) EditorSceneManager::RestoreSceneBackups
0x0000000140CAF066 (Unity) EditorSceneManager::RestoreSceneManagerSetup
0x0000000140CAF4AA (Unity) EditorSceneManager::LoadSceneManagerSetup
0x00000001411E7DF2 (Unity) RestoreLastOpenedScenes
0x00000001411F380B (Unity) Application::FinishLoadingProject
0x00000001414190DB (Unity) WinMain
0x0000000141E45198 (Unity) __tmainCRTStartup
0x0000000076AD59CD (kernel32) BaseThreadInitThunk
0x0000000076D0A561 (ntdll) RtlUserThreadStart