merges r24148 from trunk into ruby_1_9_1.

--
* id.c (Init_id), vm.c (vm_exec): @#__ThrowState__ is no longer
  used.  [ruby-dev:38760]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@24172 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu Jul 16 18:28:09 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* id.c (Init_id), vm.c (vm_exec): @#__ThrowState__ is no longer
+	  used.  [ruby-dev:38760]
+
 Thu Jul 16 08:56:32 2009  Koichi Sasada  <ko1@atdot.net>
 
 	* dir.c (push_glob): re-fix GC problem.

eval.c

@@ -1065,7 +1065,6 @@ Init_eval(void)
 
     exception_error = rb_exc_new3(rb_eFatal,
 				  rb_obj_freeze(rb_str_new2("exception reentered")));
-    rb_ivar_set(exception_error, idThrowState, INT2FIX(TAG_FATAL));
     OBJ_TAINT(exception_error);
     OBJ_FREEZE(exception_error);
 }

test/ruby/test_exception.rb

@@ -223,4 +223,23 @@ def test_errat
       end
     INPUT
   end
+
+  def test_safe4
+    cmd = proc{raise SystemExit}
+    safe0_p = proc{|*args| args}
+
+    test_proc = proc {
+      $SAFE = 4
+      begin
+        cmd.call
+      rescue SystemExit => e
+        safe0_p["SystemExit: #{e.inspect}"]
+        raise e
+      rescue Exception => e
+        safe0_p["Exception (NOT SystemExit): #{e.inspect}"]
+        raise e
+      end
+    }
+    assert_raise(SystemExit, '[ruby-dev:38760]') {test_proc.call}
+  end
 end

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "1.9.1"
 #define RUBY_RELEASE_DATE "2009-07-16"
-#define RUBY_PATCHLEVEL 241
+#define RUBY_PATCHLEVEL 242
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1

vm.c

@@ -1093,11 +1093,6 @@ vm_exec(rb_thread_t *th)
 
 	err = th->errinfo;
 
-	if (state == TAG_RAISE) {
-	    if (OBJ_FROZEN(err)) rb_exc_raise(err);
-	    rb_ivar_set(err, idThrowState, INT2FIX(state));
-	}
-
       exception_handler:
 	cont_pc = cont_sp = catch_iseqval = 0;