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diff --git a/i686-linux-gnu-4.7/usr/include/assert.h b/i686-linux-gnu-4.7/usr/include/assert.h
new file mode 100644
index 0000000..3f54da6
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/assert.h
@@ -0,0 +1,144 @@
+/* Copyright (C) 1991-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/*
+ *	ISO C99 Standard: 7.2 Diagnostics	<assert.h>
+ */
+
+#ifdef	_ASSERT_H
+
+# undef	_ASSERT_H
+# undef	assert
+# undef __ASSERT_VOID_CAST
+
+# ifdef	__USE_GNU
+#  undef assert_perror
+# endif
+
+#endif /* assert.h	*/
+
+#define	_ASSERT_H	1
+#include <features.h>
+
+#if defined __cplusplus && __GNUC_PREREQ (2,95)
+# define __ASSERT_VOID_CAST static_cast<void>
+#else
+# define __ASSERT_VOID_CAST (void)
+#endif
+
+/* void assert (int expression);
+
+   If NDEBUG is defined, do nothing.
+   If not, and EXPRESSION is zero, print an error message and abort.  */
+
+#ifdef	NDEBUG
+
+# define assert(expr)		(__ASSERT_VOID_CAST (0))
+
+/* void assert_perror (int errnum);
+
+   If NDEBUG is defined, do nothing.  If not, and ERRNUM is not zero, print an
+   error message with the error text for ERRNUM and abort.
+   (This is a GNU extension.) */
+
+# ifdef	__USE_GNU
+#  define assert_perror(errnum)	(__ASSERT_VOID_CAST (0))
+# endif
+
+#else /* Not NDEBUG.  */
+
+#ifndef _ASSERT_H_DECLS
+#define _ASSERT_H_DECLS
+__BEGIN_DECLS
+
+/* This prints an "Assertion failed" message and aborts.  */
+extern void __assert_fail (const char *__assertion, const char *__file,
+			   unsigned int __line, const char *__function)
+     __THROW __attribute__ ((__noreturn__));
+
+/* Likewise, but prints the error text for ERRNUM.  */
+extern void __assert_perror_fail (int __errnum, const char *__file,
+				  unsigned int __line, const char *__function)
+     __THROW __attribute__ ((__noreturn__));
+
+
+/* The following is not at all used here but needed for standard
+   compliance.  */
+extern void __assert (const char *__assertion, const char *__file, int __line)
+     __THROW __attribute__ ((__noreturn__));
+
+
+__END_DECLS
+#endif /* Not _ASSERT_H_DECLS */
+
+/* When possible, define assert so that it does not add extra
+   parentheses around EXPR.  Otherwise, those added parentheses would
+   suppress warnings we'd expect to be detected by gcc's -Wparentheses.  */
+# if defined __cplusplus
+#  define assert(expr)							\
+     (static_cast <bool> (expr)						\
+      ? void (0)							\
+      : __assert_fail (#expr, __FILE__, __LINE__, __ASSERT_FUNCTION))
+# elif !defined __GNUC__ || defined __STRICT_ANSI__
+#  define assert(expr)							\
+    ((expr)								\
+     ? __ASSERT_VOID_CAST (0)						\
+     : __assert_fail (#expr, __FILE__, __LINE__, __ASSERT_FUNCTION))
+# else
+/* The first occurrence of EXPR is not evaluated due to the sizeof,
+   but will trigger any pedantic warnings masked by the __extension__
+   for the second occurrence.  The ternary operator is required to
+   support function pointers and bit fields in this context, and to
+   suppress the evaluation of variable length arrays.  */
+#  define assert(expr)							\
+  ((void) sizeof ((expr) ? 1 : 0), __extension__ ({			\
+      if (expr)								\
+        ; /* empty */							\
+      else								\
+        __assert_fail (#expr, __FILE__, __LINE__, __ASSERT_FUNCTION);	\
+    }))
+# endif
+
+# ifdef	__USE_GNU
+#  define assert_perror(errnum)						\
+  (!(errnum)								\
+   ? __ASSERT_VOID_CAST (0)						\
+   : __assert_perror_fail ((errnum), __FILE__, __LINE__, __ASSERT_FUNCTION))
+# endif
+
+/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
+   which contains the name of the function currently being defined.
+   This is broken in G++ before version 2.6.
+   C9x has a similar variable called __func__, but prefer the GCC one since
+   it demangles C++ function names.  */
+# if defined __cplusplus ? __GNUC_PREREQ (2, 6) : __GNUC_PREREQ (2, 4)
+#   define __ASSERT_FUNCTION	__extension__ __PRETTY_FUNCTION__
+# else
+#  if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
+#   define __ASSERT_FUNCTION	__func__
+#  else
+#   define __ASSERT_FUNCTION	((const char *) 0)
+#  endif
+# endif
+
+#endif /* NDEBUG.  */
+
+
+#if defined __USE_ISOC11 && !defined __cplusplus
+# undef static_assert
+# define static_assert _Static_assert
+#endif