proc.c: proc without env

* proc.c (rb_sym_to_proc): move from string.c and create a Proc
  with no environments.  [ruby-core:71088] [Bug #11594]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52129 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 27 deletions

diff --git a/string.c b/string.c
index fac00856b3..313825c504 100644
--- a/string.c
+++ b/string.c
@@ -8960,6 +8960,7 @@ 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);
 }
 
+#if 0
 /*
  * call-seq:
  *   sym.to_proc
@@ -8972,34 +8973,8 @@ rb_sym_proc_call(VALUE args, VALUE sym, int argc, const VALUE *argv, VALUE passe
 VALUE
 rb_sym_to_proc(VALUE sym)
 {
-    static VALUE sym_proc_cache = Qfalse;
-    enum {SYM_PROC_CACHE_SIZE = 67};
-    VALUE proc;
-    long index;
-    ID id;
-    VALUE *aryp;
-
-    if (!sym_proc_cache) {
-	sym_proc_cache = rb_ary_tmp_new(SYM_PROC_CACHE_SIZE * 2);
-	rb_gc_register_mark_object(sym_proc_cache);
-	rb_ary_store(sym_proc_cache, SYM_PROC_CACHE_SIZE*2 - 1, Qnil);
-    }
-
-    id = SYM2ID(sym);
-    index = (id % SYM_PROC_CACHE_SIZE) << 1;
-
-    aryp = RARRAY_PTR(sym_proc_cache);
-    if (aryp[index] == sym) {
-	return aryp[index + 1];
-    }
-    else {
-	proc = rb_proc_new(rb_sym_proc_call, (VALUE)id);
-	rb_block_clear_env_self(proc);
-	aryp[index] = sym;
-	aryp[index + 1] = proc;
-	return proc;
-    }
 }
+#endif
 
 /*
  * call-seq: