Pass PrintOptions by const reference instead of by value. #32466
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`PrintOptions` likely started as a small type that made sense to pass by value, but it's become big enough that passing by const reference is more efficient now.
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@swift-ci Please test |
gribozavr
approved these changes
Jun 19, 2020
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@swift-ci Please test OS X |
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PrintOptionslikely started as a small type that made sense to pass by value, but it's become big enough that passing by const reference is more efficient now.