merge revision(s) bccec7fb468ad977be75e7e4c2644b4ea845ab0c, 5f8ebcada099351acbc22db264e7cd3773c2bdc4, e13575bb7938e9e5b6a79bfca1b3793123f479da, 4adcfc8cd7a17593a6590025da2b03eebf4fd63c: [Backport #19584]

	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`

1 files changed, 1 insertions, 1 deletions

diff --git a/ruby.c b/ruby.c
index 920a2490d2..09c81db86c 100644
--- a/ruby.c
+++ b/ruby.c
@@ -647,8 +647,8 @@ ruby_init_loadpath(void)
 #   endif
     rb_obj_hide(selfpath);
     OBJ_FREEZE_RAW(selfpath);
-    rb_libruby_selfpath = selfpath;
     rb_gc_register_address(&rb_libruby_selfpath);
+    rb_libruby_selfpath = selfpath;
 # endif
 #endif