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Avoid passing nullptr to std::equal.
As documented in the LLVM Coding Standards, indeed MSVC incorrectly asserts on this in Debug mode. This happens when building clang with Visual C++ and -triple i686-pc-windows-gnu on these clang regression tests: clang/test/CodeGen/2011-03-08-ZeroFieldUnionInitializer.c clang/test/CodeGen/empty-union-init.c git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243996 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -612,7 +612,8 @@ bool StructType::isLayoutIdentical(StructType *Other) const {
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getNumElements() != Other->getNumElements())
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return false;
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return std::equal(element_begin(), element_end(), Other->element_begin());
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return element_begin() &&
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std::equal(element_begin(), element_end(), Other->element_begin());
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}
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/// getTypeByName - Return the type with the specified name, or null if there
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