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-rw-r--r--string.c1
-rw-r--r--test/ruby/test_string.rb11
2 files changed, 12 insertions, 0 deletions
diff --git a/string.c b/string.c
index 4901c38d51..ceab6ea42d 100644
--- a/string.c
+++ b/string.c
@@ -10191,6 +10191,7 @@ Init_String(void)
rb_fs = Qnil;
rb_define_hooked_variable("$;", &rb_fs, 0, rb_fs_setter);
rb_define_hooked_variable("$-F", &rb_fs, 0, rb_fs_setter);
+ rb_gc_register_address(&rb_fs);
rb_cSymbol = rb_define_class("Symbol", rb_cObject);
rb_include_module(rb_cSymbol, rb_mComparable);
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb
index 39cfc9a220..7dbf27e552 100644
--- a/test/ruby/test_string.rb
+++ b/test/ruby/test_string.rb
@@ -1451,6 +1451,17 @@ CODE
assert_raise_with_message(TypeError, /\$;/) {
$; = []
}
+
+ assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
+ bug = '[ruby-core:79582] $; must not be GCed'
+ begin;
+ $; = " "
+ $a = nil
+ alias $; $a
+ alias $-F $a
+ GC.start
+ assert_equal([], "".split, bug)
+ end;
end
def test_split_encoding