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authornormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-03-17 01:24:06 +0000
committernormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-03-17 01:24:06 +0000
commit3e6fe414d80dacb88bbaf11853db03a44e5d024c (patch)
treeb79ad1d8d2dd55ed35f0e6ada12e7abba273193c
parent2be728c45f38aba8473e4c2905709cc1d559aeb2 (diff)
variable.c: avoid memory leak on const redefinition
* variable.c (rb_const_set): delete existing entry on redefinition [Bug #9645] * test/ruby/test_const.rb (test_redefinition): test for leak git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45350 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r--ChangeLog6
-rw-r--r--test/ruby/test_const.rb8
-rw-r--r--variable.c2
3 files changed, 16 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 06aae7c313..09e6777efa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Mar 17 10:11:59 2014 Eric Wong <e@80x24.org>
+
+ * variable.c (rb_const_set): delete existing entry on redefinition
+ [Bug #9645]
+ * test/ruby/test_const.rb (test_redefinition): test for leak
+
Sun Mar 16 21:33:01 2014 Zachary Scott <e@zzak.io>
* lib/time.rb: [DOC] Fix timezone in example of Time.parse [Bug #9521]
diff --git a/test/ruby/test_const.rb b/test/ruby/test_const.rb
index dab45b7e08..c4a4d93249 100644
--- a/test/ruby/test_const.rb
+++ b/test/ruby/test_const.rb
@@ -1,5 +1,6 @@
# -*- coding: us-ascii -*-
require 'test/unit'
+require_relative 'envutil'
class TestConst < Test::Unit::TestCase
TEST1 = 1
@@ -54,5 +55,12 @@ class TestConst < Test::Unit::TestCase
#{__FILE__}:#{__LINE__-1}: warning: already initialized constant #{c}::X
#{__FILE__}:#{__LINE__-3}: warning: previous definition of X was here
WARNING
+ code = <<-PRE
+olderr = $stderr.dup
+$stderr.reopen(File::NULL, "wb")
+350000.times { FOO = :BAR }
+$stderr.reopen(olderr)
+PRE
+ assert_no_memory_leak([], '', code, 'redefined constant')
end
end
diff --git a/variable.c b/variable.c
index c97c210af1..079f862797 100644
--- a/variable.c
+++ b/variable.c
@@ -2203,6 +2203,8 @@ rb_const_set(VALUE klass, ID id, VALUE val)
rb_compile_warn(RSTRING_PTR(ce->file), ce->line,
"previous definition of %"PRIsVALUE" was here", name);
}
+ st_delete(RCLASS_CONST_TBL(klass), &id, 0);
+ xfree(ce);
}
}
}