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Freeze Regexp literals

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[Feature #8948] [Feature #16377]

Since Regexp literals always reference the same instance,
allowing to mutate them can lead to state leak.
This commit is contained in:
Jean Boussier 2019-11-27 11:40:18 +00:00 • committed by Yusuke Endoh
parent 07aef4c99a
commit 98ef38ada4
Notes: git 2020-01-15 10:39:11 +09:00
8 changed files with 25 additions and 10 deletions
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6
spec/ruby/language/regexp_spec.rb
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@ -18,6 +18,12 @@ describe "Literal Regexps" do
/Hello/.should be_kind_of(Regexp)
end
ruby_version_is "2.7" do
it "is frozen" do
/Hello/.frozen?.should == true
end
end
it "caches the Regexp object" do
rs = []
2.times do |i|