Fix rbs compilation #10719

Job	Run time
make (check, cppflags=-DVM_CHECK_MODE)	7m 58s
make (check, i686)	9m 25s
make (check, --disable-yjit)	6m 27s
make (check, --enable-shared --enable-load-relative)	7m 15s
make (test-bundler-parallel, 50)	27m 35s
make (test-bundled-gems)	5m 45s
make (check, ubuntu-24.04)	8m 9s
make (check, ubuntu-24.04-arm)	7m 47s
Ubuntu result	1s
	1h 20m 22s

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