Initialize global hash during module load #363
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The idiom for lazy initialization with operator `||=` is not thread safe. Method `I18n#normalized_key_cache` was converted into a class variable initialized during module load to avoid a race condition.
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The idiom for lazy initialization with operator
||=is not threadsafe. Method
I18n#normalized_key_cachewas converted into a classvariable initialized during module load to avoid a race condition.