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-rw-r--r--variable.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/variable.c b/variable.c
index 09593834a3..caba124114 100644
--- a/variable.c
+++ b/variable.c
@@ -428,7 +428,8 @@ mark_global_entry(ID key, struct global_entry *entry)
void
rb_gc_mark_global_tbl(void)
{
- st_foreach_safe(rb_global_tbl, mark_global_entry, 0);
+ if (rb_global_tbl)
+ st_foreach_safe(rb_global_tbl, mark_global_entry, 0);
}
static ID