ClosureSpecializer: don't specialize captures of stack-allocated Objective-C blocks #82537
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…ctive-C blocks Bail if the closure captures an ObjectiveC block which might _not_ be copied onto the heap, i.e optimized by SimplifyCopyBlock. We can't do this because the optimization inserts retains+releases for captured arguments. That's not possible for stack-allocated blocks. Fixes a mis-compile rdar://154241245
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Bail if the closure captures an ObjectiveC block which might not be copied onto the heap, i.e optimized by SimplifyCopyBlock. We can't do this because the optimization inserts retains+releases for captured arguments. That's not possible for stack-allocated blocks.
Fixes a mis-compile
rdar://154241245