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Dereferencing end() is bad.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15402 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-08-01 09:51:42 +00:00
parent 33c23ddf8a
commit 4ae131e5da
1 changed files with 1 additions and 1 deletions
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lib/CodeGen/BranchFolding.cpp
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@ -96,7 +96,7 @@ static void ReplaceUsesOfBlockWith(MachineBasicBlock *BB,
// If BB falls through into Old, insert an unconditional branch to New.
MachineFunction::iterator BBSucc = BB; ++BBSucc;
if (&*BBSucc == Old)
if (BBSucc != BB->getParent()->end() && &*BBSucc == Old)
TII.insertGoto(*BB, *New);
std::vector<MachineBasicBlock*> Succs(BB->succ_begin(), BB->succ_end());