ClosureLifetimeFixup: fix a crash due to an iterator invalidation problem. #38308
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… instructions. the SSA updater replaces branch instructions when adding phi arguments. For deleting the old instruction use the InstructionDeleter utility.
…blem. The fix is the use the InstructionDeleter to iterate over (the not yet deleted) instructions in a block. rdar://80093482
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The fix is the use the InstructionDeleter to iterate over (the not yet deleted) instructions in a block.
rdar://80093482