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[CINN]Fix AnalysisExternalInputs invalid pointer problem #63992

Closed Aurelius84 closed 2 weeks ago

Aurelius84 commented 2 weeks ago

PR Category

CINN

PR Types

Bug fixes

Description

Pcard-67164

从日志上来看，如下行出来的group_ops里的指针是悬空的:

auto group_ops = std::unordered_set<pir::Operation*>(
      group_op.GetOperators().begin(), group_op.GetOperators().end());

group_op.GetOperators()返回的是一个临时对象，而非引用。两次调用，返回了两个临时对象，基于迭代器构造unordered_set不是同一个对象的begin和end。

paddle-bot[bot] commented 2 weeks ago

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