merge revision(s) r48102: [Backport #10413]

	* class.c (unknown_keyword_error): delete expected keywords
	  directly from raw table, so that the given block is not called.
	  [ruby-core:65837] [Bug #10413]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@48137 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/class.c b/class.c
index de5323a69b..8f11f45b53 100644
--- a/class.c
+++ b/class.c
@@ -1876,10 +1876,12 @@ NORETURN(static void unknown_keyword_error(VALUE hash, const ID *table, int keyw
 static void
 unknown_keyword_error(VALUE hash, const ID *table, int keywords)
 {
+    st_table *tbl = rb_hash_tbl_raw(hash);
     VALUE keys;
     int i;
     for (i = 0; i < keywords; i++) {
-	rb_hash_delete(hash, ID2SYM(table[i]));
+	st_data_t key = ID2SYM(table[i]);
+	st_delete(tbl, &key, NULL);
     }
     keys = rb_funcall(hash, rb_intern("keys"), 0, 0);
     if (!RB_TYPE_P(keys, T_ARRAY)) rb_raise(rb_eArgError, "unknown keyword");