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+// -*- C++ -*-
+//===--------------------------- limits.h ---------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_LIMITS_H
+#define _LIBCPP_LIMITS_H
+
+/*
+ limits.h synopsis
+
+Macros:
+
+ CHAR_BIT
+ SCHAR_MIN
+ SCHAR_MAX
+ UCHAR_MAX
+ CHAR_MIN
+ CHAR_MAX
+ MB_LEN_MAX
+ SHRT_MIN
+ SHRT_MAX
+ USHRT_MAX
+ INT_MIN
+ INT_MAX
+ UINT_MAX
+ LONG_MIN
+ LONG_MAX
+ ULONG_MAX
+ LLONG_MIN // C99
+ LLONG_MAX // C99
+ ULLONG_MAX // C99
+
+*/
+
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+#ifndef __GNUC__
+#include_next <limits.h>
+#else
+// GCC header limits.h recursively includes itself through another header called
+// syslimits.h for some reason. This setup breaks down if we directly
+// #include_next GCC's limits.h (reasons not entirely clear to me). Therefore,
+// we manually re-create the necessary include sequence below:
+
+// Get the system limits.h defines (force recurse into the next level)
+#define _GCC_LIMITS_H_
+#define _GCC_NEXT_LIMITS_H
+#include_next <limits.h>
+
+// Get the ISO C defines
+#undef _GCC_LIMITS_H_
+#include_next <limits.h>
+#endif // __GNUC__
+
+#endif // _LIBCPP_LIMITS_H