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variable.c: avoid memory leak on const redefinition

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* 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
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normal 2014-03-17 01:24:06 +00:00
parent 2be728c45f
commit 3e6fe414d8
3 changed files with 16 additions and 0 deletions
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2
variable.c
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@ -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);
}
}
}