From 14b8530454b1db7707c9475d027c26858eac817c Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 15 Oct 2015 14:56:05 +0000
Subject: [PATCH] proc.c: void env

* proc.c (rb_sym_to_proc): make void env.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52134 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                |  4 ++++
 proc.c                   | 15 +++++++++++++--
 test/ruby/test_symbol.rb |  1 +
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 51779b94aa..c580232639 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Oct 15 23:56:03 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* proc.c (rb_sym_to_proc): make void env.
+
 Thu Oct 15 13:37:23 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* proc.c (rb_sym_to_proc): move from string.c and create a Proc
diff --git a/proc.c b/proc.c
index 24bd33a675..eae5e74ca3 100644
--- a/proc.c
+++ b/proc.c
@@ -57,9 +57,17 @@ proc_mark(void *ptr)
     RUBY_MARK_LEAVE("proc");
 }
 
+typedef struct {
+    rb_proc_t basic;
+    VALUE env[2]; /* specval, envval */
+} sym_proc_t;
+
 static size_t
 proc_memsize(const void *ptr)
 {
+    const rb_proc_t *proc = ptr;
+    if (proc->block.ep == ((const sym_proc_t *)ptr)->env)
+	return sizeof(sym_proc_t);
     return sizeof(rb_proc_t);
 }
 
@@ -1060,9 +1068,12 @@ rb_sym_to_proc(VALUE sym)
     }
     else {
 	rb_proc_t *ptr;
+	sym_proc_t *symproc;
 	VALUE ifunc = (VALUE)IFUNC_NEW(rb_sym_proc_call, (VALUE)id, 0);
-	proc = rb_proc_alloc(rb_cProc);
-	ptr = RTYPEDDATA_DATA(proc);
+	proc = TypedData_Make_Struct(rb_cProc, sym_proc_t, &proc_data_type, symproc);
+	symproc->env[0] = VM_ENVVAL_BLOCK_PTR(0);
+	ptr = &symproc->basic;
+	ptr->block.ep = symproc->env;
 	ptr->block.iseq = (rb_iseq_t *)ifunc;
 	ptr->block.proc = ifunc;
 	aryp[index] = sym;
diff --git a/test/ruby/test_symbol.rb b/test/ruby/test_symbol.rb
index 07b75b0024..5f8314cf35 100644
--- a/test/ruby/test_symbol.rb
+++ b/test/ruby/test_symbol.rb
@@ -137,6 +137,7 @@ class TestSymbol < Test::Unit::TestCase
     assert_separately([], <<-"end;", timeout: 5.0)
       bug11566 = '[ruby-core:70980] [Bug #11566]'
       assert_raise(NoMethodError, bug11566) {Proc.new(&:foo).(1)}
+      assert_raise(NoMethodError, bug11566) {:foo.to_proc.(1)}
     end;
   end