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diff --git a/StdLib/LibC/Main/Arm/int_lib.h b/StdLib/LibC/Main/Arm/int_lib.h
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+++ b/StdLib/LibC/Main/Arm/int_lib.h
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+/**
+University of Illinois/NCSA
+Open Source License
+
+Copyright (c) 2009-2014 by the contributors listed in CREDITS.TXT
+
+All rights reserved.
+
+Developed by:
+
+    LLVM Team
+
+    University of Illinois at Urbana-Champaign
+
+    http://llvm.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal with
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimers.
+
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimers in the
+      documentation and/or other materials provided with the distribution.
+
+    * Neither the names of the LLVM Team, University of Illinois at
+      Urbana-Champaign, nor the names of its contributors may be used to
+      endorse or promote products derived from this Software without specific
+      prior written permission.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
+SOFTWARE.
+**/
+
+#ifndef INT_LIB_H
+#define INT_LIB_H
+
+/* Assumption: Signed integral is 2's complement. */
+/* Assumption: Right shift of signed negative is arithmetic shift. */
+/* Assumption: Endianness is little or big (not mixed). */
+
+/* ABI macro definitions */
+
+/*
+ * TODO define this appropriately for targets that require explicit export
+ * declarations (i.e. Windows)
+ */
+#define COMPILER_RT_EXPORT
+
+#if __ARM_EABI__
+# define ARM_EABI_FNALIAS(aeabi_name, name)         \
+  void __aeabi_##aeabi_name() __attribute__((alias("__" #name)));
+# define COMPILER_RT_ABI COMPILER_RT_EXPORT __attribute__((pcs("aapcs")))
+#else
+# define ARM_EABI_FNALIAS(aeabi_name, name)
+# define COMPILER_RT_ABI COMPILER_RT_EXPORT
+#endif
+
+#if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE))
+/*
+ * Kernel and boot environment can't use normal headers,
+ * so use the equivalent system headers.
+ */
+#  include <machine/limits.h>
+#  include <sys/stdint.h>
+#  include <sys/types.h>
+#else
+/* Include the standard compiler builtin headers we use functionality from. */
+#  include <limits.h>
+#  include <stdint.h>
+#  include <stdbool.h>
+#  include <float.h>
+#endif
+
+/* Include the commonly used internal type definitions. */
+#include "int_types.h"
+
+/* Include internal utility function declarations. */
+#include "int_util.h"
+
+COMPILER_RT_ABI si_int __paritysi2(si_int a);
+COMPILER_RT_ABI si_int __paritydi2(di_int a);
+
+COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b);
+COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b);
+COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d);
+
+COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem);
+COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem);
+#ifdef CRT_HAS_128BIT
+COMPILER_RT_ABI si_int __clzti2(ti_int a);
+COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem);
+#endif
+
+#endif /* INT_LIB_H */