# Blender 2.79 (sub 0), Commit date: 2017-09-11 10:43, Hash 5bd8ac9abfa
bpy.ops.object.join()  # Operator

# backtrace
../blender-2.79-linux-glibc219-x86_64/blender(BLI_system_backtrace+0x20) [0x1a6c8e0]
../blender-2.79-linux-glibc219-x86_64/blender() [0x107a525]
/lib/x86_64-linux-gnu/libc.so.6(+0x354b0) [0x7fc5a670d4b0]
../blender-2.79-linux-glibc219-x86_64/blender(_ZN5carve4mesh6detail12FaceStitcher16resolveOpenEdgesEv+0xb53) [0x2cab5a3]
../blender-2.79-linux-glibc219-x86_64/blender(_ZN5carve4mesh6detail12FaceStitcher9constructEv+0x40) [0x2cad2b0]
../blender-2.79-linux-glibc219-x86_64/blender(_ZN5carve4mesh7MeshSetILj3EE16_init_from_facesIN9__gnu_cxx17__normal_iteratorIPPNS0_4FaceILj3EEESt6vectorIS8_SaIS8_EEEEEEvT_SE_RKNS0_11MeshOptionsE+0x71c) [0x2ca50ac]
../blender-2.79-linux-glibc219-x86_64/blender() [0x2cda928]
../blender-2.79-linux-glibc219-x86_64/blender() [0x2c8afac]
../blender-2.79-linux-glibc219-x86_64/blender() [0x2c8b433]
../blender-2.79-linux-glibc219-x86_64/blender() [0x2c782fc]
../blender-2.79-linux-glibc219-x86_64/blender(_Z24carve_unionIntersectionsPN5carve3csg3CSGEPPNS_4mesh7MeshSetILj3EEES7_PFvPKS5_S9_PvESA_+0x9b) [0x2c786ab]
../blender-2.79-linux-glibc219-x86_64/blender(carve_performBooleanOperation+0x7f8) [0x2c65fa8]
../blender-2.79-linux-glibc219-x86_64/blender(NewBooleanDerivedMesh+0x18d) [0x15b138d]
../blender-2.79-linux-glibc219-x86_64/blender() [0x158e2b1]
../blender-2.79-linux-glibc219-x86_64/blender() [0x174742d]
../blender-2.79-linux-glibc219-x86_64/blender() [0x174836c]
../blender-2.79-linux-glibc219-x86_64/blender(makeDerivedMesh+0x70) [0x1748470]
../blender-2.79-linux-glibc219-x86_64/blender(BKE_object_handle_data_update+0xf5) [0x1838885]
../blender-2.79-linux-glibc219-x86_64/blender(BKE_object_handle_update_ex+0x1ac) [0x18332ec]
../blender-2.79-linux-glibc219-x86_64/blender() [0x18743b8]
../blender-2.79-linux-glibc219-x86_64/blender() [0x1a6cb6f]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba) [0x7fc5a7d1d6ba]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7fc5a67df3dd]