Revert "Implement Ruby2.7's frozen strings from `Symbol#to_s`"

This feature was reverted from Ruby 2.7.

1 files changed, 3 insertions, 7 deletions

diff --git a/src/symbol.c b/src/symbol.c
index 2696b5210..a4c453d32 100644
--- a/src/symbol.c
+++ b/src/symbol.c
@@ -517,18 +517,14 @@ mrb_sym_str(mrb_state *mrb, mrb_sym sym)
 {
   mrb_int len;
   const char *name = mrb_sym_name_len(mrb, sym, &len);
-  mrb_value str;
 
   if (!name) return mrb_undef_value(); /* can't happen */
   if (SYMBOL_INLINE_P(sym)) {
-    str = mrb_str_new(mrb, name, len);
+    mrb_value str = mrb_str_new(mrb, name, len);
     RSTR_SET_ASCII_FLAG(mrb_str_ptr(str));
+    return str;
   }
-  else {
-    str = mrb_str_new_static(mrb, name, len);
-  }
-  MRB_SET_FROZEN_FLAG(mrb_str_ptr(str));
-  return str;
+  return mrb_str_new_static(mrb, name, len);
 }
 
 static const char*