segfault in gc binarytree.jl test

[vtjnash]

gc                                                (1) |        started at 2024-01-04T13:38:07.111 on pid 533
[8487] signal 11 (1): Segmentation fault
in expression starting at /cache/build/tester-amdci4-8/julialang/julia-master/julia-6779fa96e4/share/julia/test/gc/binarytree.jl:53
jl_datatype_layout at /cache/build/builder-amdci5-4/julialang/julia-master/src/julia.h:1328 [inlined]
immut_id_ at /cache/build/builder-amdci5-4/julialang/julia-master/src/builtins.c:393
jl_idset_peek_bp at /cache/build/builder-amdci5-4/julialang/julia-master/src/idset.c:34
gc                                                (1) |         failed at 2024-01-04T13:39:02.947

https://buildkite.com/julialang/julia-master/builds/31785#018cd431-1edc-46d7-ad8a-6669680d7607 (@d-netto)

[vtjnash]

More binarytree trouble, this time with both an rr trace and then a heap corruption notice https://buildkite.com/julialang/julia-master/builds/33576#_