Pin embedded shared strings

Embedded shared strings cannot be moved because strings point into the
slot of the shared string. There may be code using the RSTRING_PTR on
the stack, which would pin the string but not pin the shared string,
causing it to move.

1 files changed, 0 insertions, 1 deletions

diff --git a/internal/string.h b/internal/string.h
index abb0a536ad..8c481f979e 100644
--- a/internal/string.h
+++ b/internal/string.h
@@ -64,7 +64,6 @@ VALUE rb_str_upto_endless_each(VALUE, int (*each)(VALUE, VALUE), VALUE);
 void rb_str_make_embedded(VALUE);
 size_t rb_str_size_as_embedded(VALUE);
 bool rb_str_reembeddable_p(VALUE);
-void rb_str_update_shared_ary(VALUE str, VALUE old_root, VALUE new_root);
 RUBY_SYMBOL_EXPORT_END
 
 VALUE rb_fstring_new(const char *ptr, long len);