diff --git a/ChangeLog b/ChangeLog
index 2b0cca6029..51b5ec1f33 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun May  3 10:02:12 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* range.c (linear_object_p, range_include): test if covered for
+	  linear objects.  [ruby-core:69052] [Bug #11113]
+
 Fri May  1 13:30:24 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* dln.c (dln_load): check if a different libruby is loaded by the
diff --git a/range.c b/range.c
index d44f322ab0..54c7d88301 100644
--- a/range.c
+++ b/range.c
@@ -331,6 +331,21 @@ discrete_object_p(VALUE obj)
     return rb_respond_to(obj, id_succ);
 }
 
+static int
+linear_object_p(VALUE obj)
+{
+    if (FIXNUM_P(obj) || FLONUM_P(obj)) return TRUE;
+    if (SPECIAL_CONST_P(obj)) return FALSE;
+    switch (BUILTIN_TYPE(obj)) {
+      case T_FLOAT:
+      case T_BIGNUM:
+	return TRUE;
+    }
+    if (rb_obj_is_kind_of(obj, rb_cNumeric)) return TRUE;
+    if (rb_obj_is_kind_of(obj, rb_cTime)) return TRUE;
+    return FALSE;
+}
+
 static VALUE
 range_step_size(VALUE range, VALUE args, VALUE eobj)
 {
@@ -1156,8 +1171,7 @@ range_include(VALUE range, VALUE val)
     VALUE beg = RANGE_BEG(range);
     VALUE end = RANGE_END(range);
     int nv = FIXNUM_P(beg) || FIXNUM_P(end) ||
-	     rb_obj_is_kind_of(beg, rb_cNumeric) ||
-	     rb_obj_is_kind_of(end, rb_cNumeric);
+	     linear_object_p(beg) || linear_object_p(end);
 
     if (nv ||
 	!NIL_P(rb_check_to_integer(beg, "to_int")) ||
diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb
index dc07a59fcd..791764b355 100644
--- a/test/ruby/test_range.rb
+++ b/test/ruby/test_range.rb
@@ -283,6 +283,14 @@ class TestRange < Test::Unit::TestCase
     assert_not_operator(0..10, :===, 11)
   end
 
+  def test_eqq_time
+    bug11113 = '[ruby-core:69052] [Bug #11113]'
+    t = Time.now
+    assert_nothing_raised(TypeError, bug11113) {
+      assert_operator(t..(t+10), :===, t+5)
+    }
+  end
+
   def test_include
     assert_include("a".."z", "c")
     assert_not_include("a".."z", "5")