GlobalOpt: fix a use after free #21691
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Detected by ASAN. There is no need to remove the copy_address in the loop (which caused an iterator invalidation), because it's deleted with eraseUsesOfInstruction(Call) anyway. rdar://problem/47089910
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Detected by ASAN.
There is no need to remove the copy_address in the loop (which caused an iterator invalidation), because it's deleted with eraseUsesOfInstruction(Call) anyway.
rdar://problem/47089910