Show chain of references in Ractor errors #227

Job	Run time
ruby-bench (--zjit-call-threshold=2, --warmup=1 --bench=1 --excludes=lobsters, --enable-zjit=dev_...	16m 18s
make (zjit-check, --enable-yjit=dev --enable-zjit, 1.85.0)	4m 27s
make (check, --zjit-disable-hir-opt --zjit-call-threshold=1, -T --zjit-disable-hir-opt -T --zjit-...	18m 14s
make (ruby, combo build test, --enable-yjit --enable-zjit)	4m 43s
make (check, --zjit-call-threshold=1, -T --zjit-call-threshold=1, --enable-zjit=dev)	17m 5s
ZJIT macOS result	4s
	1h 0m 51s

Provide feedback