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[vcpkg] Fix gcc-9 warning (#7816)
* drop one usage of span in export. Span is not appropriate for rvalues * Add back reference * Fix @ubsan 's comments
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@ -339,12 +339,13 @@ namespace vcpkg::Export
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struct OptionPair
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{
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const std::string& name;
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const StringLiteral& name;
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Optional<std::string>& out_opt;
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};
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const auto options_implies =
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[&](const std::string& main_opt_name, bool main_opt, Span<const OptionPair> implying_opts) {
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if (main_opt)
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const auto options_implies = [&](const StringLiteral& main_opt_name,
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bool is_main_opt,
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const std::initializer_list<OptionPair>& implying_opts) {
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if (is_main_opt)
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{
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for (auto&& opt : implying_opts)
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opt.out_opt = maybe_lookup(options.settings, opt.name);
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