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Use a safer iterator interface and get rid of std C++ library misuse.
This fixes a --enable-expensive-checks problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69353 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -565,11 +565,10 @@ Function *ArgPromotion::DoPromotion(Function *F,
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// Add a parameter to the function for each element passed in.
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for (ScalarizeTable::iterator SI = ArgIndices.begin(),
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E = ArgIndices.end(); SI != E; ++SI) {
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unsigned num = SI->size();
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// not allowed to dereference ->begin() if size() is 0
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Params.push_back(GetElementPtrInst::getIndexedType(I->getType(),
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num ? &*SI->begin(): 0,
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num));
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SI->begin(),
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SI->end()));
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assert(Params.back());
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}
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