Revert "merge revision(s) 5e0c17145131e073814c7e5b15227d0b4e73cabe: [Backport #20169]"

This reverts commit 6b73406833dd22e489114fa77c1c80c4b7af2ed0.

1 files changed, 0 insertions, 36 deletions

diff --git a/string.c b/string.c
index 6a9eebd687..ed51fa4af7 100644
--- a/string.c
+++ b/string.c
@@ -1399,42 +1399,6 @@ rb_str_tmp_frozen_acquire(VALUE orig)
     return str_new_frozen_buffer(0, orig, FALSE);
 }
 
-VALUE
-rb_str_tmp_frozen_no_embed_acquire(VALUE orig)
-{
-    if (OBJ_FROZEN_RAW(orig) && !STR_EMBED_P(orig) && !rb_str_reembeddable_p(orig)) return orig;
-    if (STR_SHARED_P(orig) && !STR_EMBED_P(RSTRING(orig)->as.heap.aux.shared)) return rb_str_tmp_frozen_acquire(orig);
-
-    VALUE str = str_alloc_heap(0);
-    OBJ_FREEZE(str);
-    /* Always set the STR_SHARED_ROOT to ensure it does not get re-embedded. */
-    FL_SET(str, STR_SHARED_ROOT);
-
-    size_t capa = str_capacity(orig, TERM_LEN(orig));
-
-    /* If the string is embedded then we want to create a copy that is heap
-     * allocated. If the string is shared then the shared root must be
-     * embedded, so we want to create a copy. If the string is a shared root
-     * then it must be embedded, so we want to create a copy. */
-    if (STR_EMBED_P(orig) || FL_TEST_RAW(orig, STR_SHARED | STR_SHARED_ROOT)) {
-        RSTRING(str)->as.heap.ptr = rb_xmalloc_mul_add_mul(sizeof(char), capa, sizeof(char), TERM_LEN(orig));
-        memcpy(RSTRING(str)->as.heap.ptr, RSTRING_PTR(orig), capa);
-    }
-    else {
-        /* orig must be heap allocated and not shared, so we can safely transfer
-         * the pointer to str. */
-        RSTRING(str)->as.heap.ptr = RSTRING(orig)->as.heap.ptr;
-        RBASIC(str)->flags |= RBASIC(orig)->flags & STR_NOFREE;
-        RBASIC(orig)->flags &= ~STR_NOFREE;
-        STR_SET_SHARED(orig, str);
-    }
-
-    RSTRING(str)->as.heap.len = RSTRING(orig)->as.heap.len;
-    RSTRING(str)->as.heap.aux.capa = capa;
-
-    return str;
-}
-
 void
 rb_str_tmp_frozen_release(VALUE orig, VALUE tmp)
 {