Fix crash in rb_gc_register_address [Bug #19584] Some C extensions pass a pointer to a global variable to rb_gc_register_address. However, if a GC is triggered inside of rb_gc_register_address, then the object could get swept since it does not exist on the stack. [Bug #19584] Register global variable address before assignment [Bug #19584] Register global variables before assignment [Bug #19584] [DOC] Tweek description of `rb_gc_register_address`
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merge revision(s) bccec7fb468ad977be75e7e4c2644b4ea845ab0c, 5f8ebcada099351acbc22db264e7cd3773c2bdc4, e13575bb7938e9e5b6a79bfca1b3793123f479da, 4adcfc8cd7a17593a6590025da2b03eebf4fd63c: [Backport #19584]