MandatoryPerformanceOptimizations: make sure to handle de-serialized vtable methods #81897
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…vtable methods When de-serializing a function and this function allocates a class, the methods of the de-serialized vtable must be handled, too. Fixes an IRGen crash rdar://152311945
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When de-serializing a function and this function allocates a class, the methods of the de-serialized vtable must be handled, too.
Fixes an IRGen crash
rdar://152311945