Hmm, +1F with the patch in [ruby-dev:39038].

test-result-changes-from-ruby-dev39038.diff

--- /tmp/prev	2009-09-12 10:12:20.000000000 +0900
+++ /tmp/post	2009-09-12 10:12:25.000000000 +0900
@@ -1,14 +1,14 @@
-Finished in 518.233488 seconds.
+Finished in 535.442002 seconds.
 
   1) Failure:
 test_free=(DL::TestCPtr) [/var/tmp/ruby/trunk/test/dl/test_cptr.rb:12]:
 [ruby-dev:39269]
-pid 834 killed by SIGABRT (signal 6)
+pid 5525 killed by SIGABRT (signal 6)
 | -: [BUG] Segmentation fault
 | ruby 1.9.2dev (2009-09-12) [i686-linux]
 | 
 | -- control frame ----------
-| c:0001 p:0000 s:0002 b:0002 l:000cac d:000cac TOP   
+| c:0001 p:0000 s:0002 b:0002 l:00092c d:00092c TOP   
 | ---------------------------
 | 
 | -- C level backtrace information -------------------------------------------
@@ -47,10 +47,10 @@
   4) Failure:
 test_self_find_files(TestGem) [/var/tmp/ruby/trunk/test/rubygems/test_gem.rb:297]:
 Expected ["/var/tmp/ruby/trunk/test/rubygems/foo/discover.rb",
- "/tmp/test_rubygems_824/gemhome/gems/foo-2/lib/foo/discover.rb",
- "/tmp/test_rubygems_824/gemhome/gems/foo-1/lib/foo/discover.rb"], not ["/tmp/test_rubygems_824/gemhome/gems/foo-2/lib/foo/discover.rb",
+ "/tmp/test_rubygems_5516/gemhome/gems/foo-2/lib/foo/discover.rb",
+ "/tmp/test_rubygems_5516/gemhome/gems/foo-1/lib/foo/discover.rb"], not ["/tmp/test_rubygems_5516/gemhome/gems/foo-2/lib/foo/discover.rb",
  "/var/tmp/ruby/trunk/test/rubygems/foo/discover.rb",
- "/tmp/test_rubygems_824/gemhome/gems/foo-1/lib/foo/discover.rb"].
+ "/tmp/test_rubygems_5516/gemhome/gems/foo-1/lib/foo/discover.rb"].
 
   5) Failure:
 test_build_extensions_extconf_bad(TestGemInstaller) [/var/tmp/ruby/trunk/test/rubygems/test_gem_installer.rb:75]:
@@ -66,4 +66,8 @@
 <"-"> expected but was
 <nil>.
 
-6262 tests, 2512801 assertions, 7 failures, 0 errors, 0 skips
+  8) Failure:
+test_priority(TestThread) [/var/tmp/ruby/trunk/test/ruby/test_thread.rb:129]:
+[ruby-dev:33124]
+
+6262 tests, 2512807 assertions, 8 failures, 0 errors, 0 skips