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< #include "base/hashmap.hh"
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< serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE
---
> serialize(CheckpointOut &cp) const override
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< unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE
---
> unserialize(CheckpointIn &cp) override
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< __hash_namespace_begin
---
> namespace std {
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< __hash_namespace_end
---
> }