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< StackTrace(ThreadContext *tc, StaticInstPtr inst);
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> StackTrace(ThreadContext *tc, const StaticInstPtr &inst);
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< bool trace(ThreadContext *tc, StaticInstPtr inst);
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> bool trace(ThreadContext *tc, const StaticInstPtr &inst);
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< StackTrace::trace(ThreadContext *tc, StaticInstPtr inst)
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> StackTrace::trace(ThreadContext *tc, const StaticInstPtr &inst)