Default tuple fields crash verse and UEFN when compiling verse

Please select what you are reporting on:

Verse

What Type of Bug are you experiencing?

Verse

Summary

Using Default tuple fields in functions causes verse to crash as well as UEFN when compiling the verse code.

Steps to Reproduce

Copy and paste the following function into verse, then try to compile the verse code via the UEFN editor.

ThisWillCrash(?DefaultTuple:tuple(int, int)=(0, 0)):void=
return

Expected Result

UEFN should not crash, and compile the code correctly

Observed Result

UEFN crashes, and everytime the project is opened UEFN crashes. If you remove the default tuple field from the code, the project will open successfully.

Platform(s)

PC

The status of FORT-744399 incident has been moved from ‘Needs Triage’ to ‘To Do’.