hash.c: warn for wrong elements

* hash.c (rb_hash_s_create): just warn for wrong elements now.
  [ruby-dev:46440] [Bug #7300]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37621 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,4 +1,7 @@
-Sun Nov 11 15:38:14 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Sun Nov 11 15:39:04 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* hash.c (rb_hash_s_create): just warn for wrong elements now.
+	  [ruby-dev:46440] [Bug #7300]
 
 	* hash.c (rb_hash_s_create): refine error messages.
 
@@ -28,7 +31,7 @@ Sun Nov 11 11:36:19 2012  Shugo Maeda  <shugo@ruby-lang.org>
 	* vm_core.h (rb_call_info_t::refinements), compile.c (new_callinfo):
 	  add a new field for inline method cache.
 
-	* vm_insnhelper.c (vm_search_method): check rb_call_info_t::refinements 
+	* vm_insnhelper.c (vm_search_method): check rb_call_info_t::refinements
 	  not to confuse inline method cache when module_eval is used with
 	  refinements.
 

hash.c

@@ -398,9 +398,17 @@ rb_hash_s_create(int argc, VALUE *argv, VALUE klass)
 		VALUE key, val = Qnil;
 
 		if (NIL_P(v)) {
+#if 0 /* refix in the next release */
 		    rb_raise(rb_eArgError, "wrong element type %s at %ld (expected array)",
 			     rb_builtin_class_name(e), i);
 
+#else
+		    rb_warn("wrong element type %s at %ld (expected array)",
+			    rb_builtin_class_name(e), i);
+		    rb_warn("ignoring wrong elements is deprecated, remove them explicitly");
+		    rb_warn("this causes ArgumentError in the next release");
+		    continue;
+#endif
 		}
 		switch (RARRAY_LEN(v)) {
 		  default:

test/ruby/test_hash.rb

@@ -1,5 +1,7 @@
+# -*- coding: us-ascii -*-
 require 'test/unit'
 require 'continuation'
+require_relative 'envutil'
 
 class TestHash < Test::Unit::TestCase
 
@@ -739,8 +741,8 @@ class TestHash < Test::Unit::TestCase
   def test_create
     assert_equal({1=>2, 3=>4}, Hash[[[1,2],[3,4]]])
     assert_raise(ArgumentError) { Hash[0, 1, 2] }
+    assert_warning(/wrong element type Fixnum at 1 /) {Hash[[[1, 2], 3]]}
     bug5406 = '[ruby-core:39945]'
-    assert_raise(ArgumentError, bug5406) { Hash[[[1, 2], 3]] }
     assert_raise(ArgumentError, bug5406) { Hash[[[1, 2], [3, 4, 5]]] }
     assert_equal({1=>2, 3=>4}, Hash[1,2,3,4])
     o = Object.new