* thread.c (rb_exec_recursive_outer, rb_exec_recursive): Added method to short-circuit to the outermost level in case of recursion

* test/ruby/test_thread.rb (test_recursive_outer): Test for above

* hash.c (rb_hash_hash): Return a sensible hash for in case of recursion [ruby-core:24648]

* range.c (rb_range_hash): ditto

* struct.c (rb_struct_hash): ditto

* array.c (rb_array_hash): ditto

* test/ruby/test_array.rb (test_hash2): test for above

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24943 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 8 deletions

diff --git a/range.c b/range.c
index 739831536e..a394f00b6e 100644
--- a/range.c
+++ b/range.c
@@ -207,14 +207,13 @@ recursive_hash(VALUE range, VALUE dummy, int recur)
     st_index_t hash = EXCL(range);
     VALUE v;
 
-    if (recur) {
-        rb_raise(rb_eArgError, "recursive key for hash");
-    }
     hash = rb_hash_start(hash);
-    v = rb_hash(RANGE_BEG(range));
-    hash = rb_hash_uint(hash, NUM2LONG(v));
-    v = rb_hash(RANGE_END(range));
-    hash = rb_hash_uint(hash, NUM2LONG(v));
+    if (!recur) {
+	v = rb_hash(RANGE_BEG(range));
+	hash = rb_hash_uint(hash, NUM2LONG(v));
+	v = rb_hash(RANGE_END(range));
+	hash = rb_hash_uint(hash, NUM2LONG(v));
+    }
     hash = rb_hash_uint(hash, EXCL(range) << 24);
     hash = rb_hash_end(hash);
 
@@ -233,7 +232,7 @@ recursive_hash(VALUE range, VALUE dummy, int recur)
 static VALUE
 range_hash(VALUE range)
 {
-    return rb_exec_recursive(recursive_hash, range, 0);
+    return rb_exec_recursive_outer(recursive_hash, range, 0);
 }
 
 static void