[Runtime] Silence warnings on NULL checks of ObjC function addresses. #36240
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Some ObjC runtime calls are weak or strong depending on the deployment target. When strong, we get warnings that the NULL checks always succeed; silence them. Some of the adjacent code looked up functions using dlsym when they aren't provided by the SDK. Our current minimum SDK always has them, so remove the dlsym workaround.
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@swift-ci please test |
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@swift-ci please test windows platform |
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Build failed |
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@swift-ci please test linux platform |
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@swift-ci please test windows platform |
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Some ObjC runtime calls are weak or strong depending on the deployment target. When strong, we get warnings that the NULL checks always succeed; silence them.
Some of the adjacent code looked up functions using dlsym when they aren't provided by the SDK. Our current minimum SDK always has them, so remove the dlsym workaround.