BUG: GetDefiniton can return null
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@ -118,7 +118,7 @@ bool cmElseCommand::InitialPass(std::vector<std::string> const& args)
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cmRegularExpression regEntry(args[2].c_str());
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// check for black line or comment
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if (regEntry.find(def))
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if (def && regEntry.find(def))
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{
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f = new cmIfFunctionBlocker();
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}
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