ID 354839 - Modo crashes when rendering a boolean meshop with motion blur enabled.

Problem summary
Modo crashes when rendering a boolean meshop with motion blur enabled. This seems to occur when the boolean creates two or more separate caps on the target mesh.

Customer reported version
modo.n/a

Customer reported platform
windows10

Steps to reproduce
1) Open Modo.
2) Select File>open and open the attached file.
3) Press F9 to render the scene.
Result: Modo immediately crashes. Some versions hung and did not present the crash reporter.

Workaround
Unknown.

Reproduced by support
This bug has been reproduced in:
12.1v1 - Windows 10, OSX 10.13.4
12.0v1 - Windows 10,
11.2v3 - Windows 10,
11.2v1 - Windows 10,
11.0v3 - Windows 10,
11.0v1 - Windows 10, OSX 10.13.4

Unable to reproduce bug in:
10.2v4 - Windows 10, OSX 10.13.4
Earliest version tested
10.2v4 - Windows 10, OSX 10.13.4 - This issue no longer appears in this version and has regressed

Expected behaviour
Modo should not crash when rendering this type of scene.

Actual behaviour
Modo crashes when rendering scenes with similar aspects to this one.