Show chain of references in Ractor errors #229

Job	Run time
make (check, --zjit-disable-hir-opt --zjit-call-threshold=1, -T --zjit-disable-hir-opt -T --zjit-...	14m 37s
ruby-bench (--zjit-call-threshold=2, --warmup=1 --bench=1 --excludes=lobsters, --enable-zjit=dev_...	18m 9s
make (zjit-check, --enable-yjit=dev --enable-zjit, 1.85.0)	5m 34s
make (ruby, combo build test, --enable-yjit --enable-zjit)	3m 28s
make (check, --zjit-call-threshold=1, -T --zjit-call-threshold=1, --enable-zjit=dev)	19m 25s
ZJIT macOS result	5s
	1h 1m 18s

Provide feedback