vm_args.c: wrap symbol ifunc

* vm_args.c (args_setup_block_parameter): wrap a symbol in ifunc
  by a proc as a block parameter.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52056 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/string.c b/string.c
index 907b47c1a4..50e5c906eb 100644
--- a/string.c
+++ b/string.c
@@ -8946,6 +8946,7 @@ rb_sym_proc_call(VALUE args, VALUE sym, int argc, const VALUE *argv, VALUE passe
     return rb_funcall_with_block(obj, (ID)sym, argc - 1, argv + 1, passed_proc);
 }
 
+#define sym_to_proc rb_sym_to_proc
 /*
  * call-seq:
  *   sym.to_proc
@@ -8955,7 +8956,7 @@ rb_sym_proc_call(VALUE args, VALUE sym, int argc, const VALUE *argv, VALUE passe
  *   (1..3).collect(&:to_s)  #=> ["1", "2", "3"]
  */
 
-static VALUE
+VALUE
 sym_to_proc(VALUE sym)
 {
     static VALUE sym_proc_cache = Qfalse;