Document the usage of llvm::legacy::PassManager #6491
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There is some confusion about whether this usage is acceptable. TL;DR: it's not just acceptable, it's required for the forseeable future. Add comments to capture this to avoid future such questions. (With great thanks to Alina for pointing me at the relevant LLVM discussion links!)
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There is some confusion about whether this usage is acceptable. TL;DR: it's not just acceptable, it's required for the forseeable future. Add comments to capture this to avoid future such questions. (With great thanks to Alina for pointing me at the relevant LLVM discussion links!)