Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/ADT/Sequence.h b/linux-x64/clang/include/llvm/ADT/Sequence.h
new file mode 100644
index 0000000..3d4a897
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+++ b/linux-x64/clang/include/llvm/ADT/Sequence.h
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+//===- Sequence.h - Utility for producing sequences of values ---*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+/// This routine provides some synthesis utilities to produce sequences of
+/// values. The names are intentionally kept very short as they tend to occur
+/// in common and widely used contexts.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ADT_SEQUENCE_H
+#define LLVM_ADT_SEQUENCE_H
+
+#include "llvm/ADT/iterator.h"
+#include "llvm/ADT/iterator_range.h"
+#include <algorithm>
+#include <iterator>
+#include <utility>
+
+namespace llvm {
+
+namespace detail {
+
+template <typename ValueT>
+class value_sequence_iterator
+ : public iterator_facade_base<value_sequence_iterator<ValueT>,
+ std::random_access_iterator_tag,
+ const ValueT> {
+ using BaseT = typename value_sequence_iterator::iterator_facade_base;
+
+ ValueT Value;
+
+public:
+ using difference_type = typename BaseT::difference_type;
+ using reference = typename BaseT::reference;
+
+ value_sequence_iterator() = default;
+ value_sequence_iterator(const value_sequence_iterator &) = default;
+ value_sequence_iterator(value_sequence_iterator &&Arg)
+ : Value(std::move(Arg.Value)) {}
+
+ template <typename U, typename Enabler = decltype(ValueT(std::declval<U>()))>
+ value_sequence_iterator(U &&Value) : Value(std::forward<U>(Value)) {}
+
+ value_sequence_iterator &operator+=(difference_type N) {
+ Value += N;
+ return *this;
+ }
+ value_sequence_iterator &operator-=(difference_type N) {
+ Value -= N;
+ return *this;
+ }
+ using BaseT::operator-;
+ difference_type operator-(const value_sequence_iterator &RHS) const {
+ return Value - RHS.Value;
+ }
+
+ bool operator==(const value_sequence_iterator &RHS) const {
+ return Value == RHS.Value;
+ }
+ bool operator<(const value_sequence_iterator &RHS) const {
+ return Value < RHS.Value;
+ }
+
+ reference operator*() const { return Value; }
+};
+
+} // end namespace detail
+
+template <typename ValueT>
+iterator_range<detail::value_sequence_iterator<ValueT>> seq(ValueT Begin,
+ ValueT End) {
+ return make_range(detail::value_sequence_iterator<ValueT>(Begin),
+ detail::value_sequence_iterator<ValueT>(End));
+}
+
+} // end namespace llvm
+
+#endif // LLVM_ADT_SEQUENCE_H