merges r24511 from trunk into ruby_1_9_1.

--
* insns.def, vm.c, vm_insnhelper.c, vm_insnhelper.h: check
  definition of (classes)#=== for case/when optimization.
  Fix Bug #1376 [ruby-core:23190].
* string.c (Init_String), bignum.c (Init_Bignum),
  numeric.c (Init_Numeric): define String#===, Symbol#===,
  Bignum#===, Fixnum#===, Float#=== as same as (classes)#==.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@25478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/string.c b/string.c
index ba40ddd7d..5cf5d9bc9 100644
--- a/string.c
+++ b/string.c
@@ -7125,6 +7125,7 @@ Init_String(void)
     rb_define_method(rb_cString, "initialize_copy", rb_str_replace, 1);
     rb_define_method(rb_cString, "<=>", rb_str_cmp_m, 1);
     rb_define_method(rb_cString, "==", rb_str_equal, 1);
+    rb_define_method(rb_cString, "===", rb_str_equal, 1);
     rb_define_method(rb_cString, "eql?", rb_str_eql, 1);
     rb_define_method(rb_cString, "hash", rb_str_hash_m, 0);
     rb_define_method(rb_cString, "casecmp", rb_str_casecmp, 1);
@@ -7254,6 +7255,7 @@ Init_String(void)
     rb_define_singleton_method(rb_cSymbol, "all_symbols", rb_sym_all_symbols, 0); /* in parse.y */
 
     rb_define_method(rb_cSymbol, "==", sym_equal, 1);
+    rb_define_method(rb_cSymbol, "===", sym_equal, 1);
     rb_define_method(rb_cSymbol, "inspect", sym_inspect, 0);
     rb_define_method(rb_cSymbol, "to_s", rb_sym_to_s, 0);
     rb_define_method(rb_cSymbol, "id2name", rb_sym_to_s, 0);