From ceddb498682549c2904f9ffbeffb8ae7102e2d5f Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 6 Oct 2015 06:38:08 +0000
Subject: 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
---
 vm_args.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'vm_args.c')

diff --git a/vm_args.c b/vm_args.c
index 18911b4a5d..b031c0dc64 100644
--- a/vm_args.c
+++ b/vm_args.c
@@ -478,6 +478,10 @@ args_setup_block_parameter(rb_thread_t *th, struct rb_calling_info *calling, VAL
 	    GetProcPtr(blockval, proc);
 	    calling->blockptr = &proc->block;
 	}
+	else if (RUBY_VM_IFUNC_P(blockptr->proc)) {
+	    const ID mid = (ID)((struct vm_ifunc *)blockptr->proc)->data;
+	    blockval = rb_sym_to_proc(ID2SYM(mid));
+	}
 	else {
 	    blockval = blockptr->proc;
 	}
-- 
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