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2011 Sep 26
0
[LLVMdev] The ComputeHash algorithm in FoldingSet isunsafe
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------------------ Original ------------------
From: "Xu Zhongxing"<xuzhongxing at foxmail.com>;
Date: Mon, Sep 26, 2011 10:11 PM
To: "llvmdev"<llvmdev at cs.uiuc.edu>;
Subject: [LLVMdev] [LLVMDev] The ComputeHash algorithm in FoldingSet isunsafe
I use FoldingSet to save some data structures. And I found somehow it always abandon a new node. I tracked the bug into the ComputeHash() function of FoldingSet. It computes the SAME hash value for these two 32-bit unsigned integer sequences:
size: 17...