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envutil.rb: EnvUtil.gc_stress_to_class

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* test/lib/envutil.rb (EnvUtil.gc_stress_to_class): check if
  GC.stress_to_class is available.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50649 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-05-27 08:02:20 +00:00
parent b38b920ae5
commit 2df5bb9ac1
1 changed files with 8 additions and 0 deletions
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8
test/lib/envutil.rb
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@ -238,6 +238,14 @@ module EnvUtil
def self.diagnostic_reports(signame, cmd, pid, now)
end
end
def self.gc_stress_to_class?
unless defined?(@gc_stress_to_class)
_, _, status = invoke_ruby(["-e""exit GC.respond_to?(:add_stress_to_class)"])
@gc_stress_to_class = status.success?
end
@gc_stress_to_class
end
end
module Test