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upgrade LuaJIT to 2.0.4
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‎deps/luajit/COPYRIGHT

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===============================================================================
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LuaJIT -- a Just-In-Time Compiler for Lua. http://luajit.org/
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Copyright (C) 2005-2014 Mike Pall. All rights reserved.
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Copyright (C) 2005-2015 Mike Pall. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal

‎deps/luajit/Makefile

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# For MSVC, please follow the instructions given in src/msvcbuild.bat.
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# For MinGW and Cygwin, cd to src and run make with the Makefile there.
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#
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# Copyright (C) 2005-2014 Mike Pall. See Copyright Notice in luajit.h
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# Copyright (C) 2005-2015 Mike Pall. See Copyright Notice in luajit.h
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##############################################################################
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MAJVER= 2
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MINVER= 0
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RELVER= 3
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RELVER= 4
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VERSION= $(MAJVER).$(MINVER).$(RELVER)
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ABIVER= 5.1
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‎deps/luajit/README

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README for LuaJIT 2.0.3
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README for LuaJIT 2.0.4
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-----------------------
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LuaJIT is a Just-In-Time (JIT) compiler for the Lua programming language.
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Project Homepage: http://luajit.org/
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LuaJIT is Copyright (C) 2005-2014 Mike Pall.
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LuaJIT is Copyright (C) 2005-2015 Mike Pall.
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LuaJIT is free software, released under the MIT license.
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See full Copyright Notice in the COPYRIGHT file or in luajit.h.
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‎deps/luajit/doc/bluequad-print.css

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/* Copyright (C) 2004-2014 Mike Pall.
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/* Copyright (C) 2004-2015 Mike Pall.
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*
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* You are welcome to use the general ideas of this design for your own sites.
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* But please do not steal the stylesheet, the layout or the color scheme.

‎deps/luajit/doc/bluequad.css

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/* Copyright (C) 2004-2014 Mike Pall.
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/* Copyright (C) 2004-2015 Mike Pall.
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*
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* You are welcome to use the general ideas of this design for your own sites.
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* But please do not steal the stylesheet, the layout or the color scheme.

‎deps/luajit/doc/changes.html

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<title>LuaJIT Change History</title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="Author" content="Mike Pall">
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<meta name="Copyright" content="Copyright (C) 2005-2014, Mike Pall">
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<meta name="Copyright" content="Copyright (C) 2005-2015, Mike Pall">
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<meta name="Language" content="en">
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<link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
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<div id="main">
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<p>
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This is a list of changes between the released versions of LuaJIT.<br>
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The current <span style="color: #0000c0;">stable version</span> is <strong>LuaJIT&nbsp;2.0.3</strong>.<br>
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The current <span style="color: #0000c0;">stable version</span> is <strong>LuaJIT&nbsp;2.0.4</strong>.<br>
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</p>
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<p>
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Please check the
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</p>
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<div class="major" style="background: #d0d0ff;">
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<h2 id="LuaJIT-2.0.4">LuaJIT 2.0.4 &mdash; 2015-05-14</h2>
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<ul>
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<li>Fix stack check in narrowing optimization.</li>
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<li>Fix Lua/C API typecheck error for special indexes.</li>
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<li>Fix string to number conversion.</li>
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<li>Fix lexer error for chunks without tokens.</li>
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<li>Don't compile <tt>IR_RETF</tt> after <tt>CALLT</tt> to ff with-side effects.</li>
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<li>Fix <tt>BC_UCLO</tt>/<tt>BC_JMP</tt> join optimization in Lua parser.</li>
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<li>Fix corner case in string to number conversion.</li>
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<li>Gracefully handle <tt>lua_error()</tt> for a suspended coroutine.</li>
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<li>Avoid error messages when building with Clang.</li>
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<li>Fix snapshot #0 handling for traces with a stack check on entry.</li>
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<li>Fix fused constant loads under high register pressure.</li>
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<li>Invalidate backpropagation cache after DCE.</li>
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<li>Fix ABC elimination.</li>
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<li>Fix debug info for main chunk of stripped bytecode.</li>
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<li>Fix FOLD rule for <tt>string.sub(s, ...) == k</tt>.</li>
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<li>Fix FOLD rule for <tt>STRREF</tt> of <tt>SNEW</tt>.</li>
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<li>Fix frame traversal while searching for error function.</li>
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<li>Prevent GC estimate miscalculation due to buffer growth.</li>
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<li>Prevent adding side traces for stack checks.</li>
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<li>Fix top slot calculation for snapshots with continuations.</li>
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<li>Fix check for reuse of SCEV results in <tt>FORL</tt>.</li>
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<li>Add PS Vita port.</li>
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<li>Fix compatibility issues with Illumos.</li>
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<li>Fix DragonFly build (unsupported).</li>
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<li>OpenBSD/x86: Better executable memory allocation for W^X mode.</li>
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<li>x86: Fix argument checks for <tt>ipairs()</tt> iterator.</li>
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<li>x86: <tt>lj_math_random_step()</tt> clobbers XMM regs on OSX Clang.</li>
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<li>x86: Fix code generation for unused result of <tt>math.random()</tt>.</li>
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<li>x64: Allow building with <tt>LUAJIT_USE_SYSMALLOC</tt> and <tt>LUAJIT_USE_VALGRIND</tt>.</li>
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<li>x86/x64: Fix argument check for bit shifts.</li>
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<li>x86/x64: Fix code generation for fused test/arith ops.</li>
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<li>ARM: Fix write barrier check in <tt>BC_USETS</tt>.</li>
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<li>PPC: Fix red zone overflow in machine code generation.</li>
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<li>PPC: Don't use <tt>mcrxr</tt> on PPE.</li>
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<li>Various archs: Fix excess stack growth in interpreter.</li>
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<li>FFI: Fix FOLD rule for <tt>TOBIT</tt> + <tt>CONV num.u32</tt>.</li>
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<li>FFI: Prevent DSE across <tt>ffi.string()</tt>.</li>
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<li>FFI: No meta fallback when indexing pointer to incomplete struct.</li>
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<li>FFI: Fix initialization of unions of subtypes.</li>
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<li>FFI: Fix cdata vs. non-cdata arithmetic and comparisons.</li>
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<li>FFI: Fix <tt>__index</tt>/<tt>__newindex</tt> metamethod resolution for ctypes.</li>
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<li>FFI: Fix compilation of reference field access.</li>
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<li>FFI: Fix frame traversal for backtraces with FFI callbacks.</li>
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<li>FFI: Fix recording of indexing a struct pointer ctype object itself.</li>
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<li>FFI: Allow non-scalar cdata to be compared for equality by address.</li>
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<li>FFI: Fix pseudo type conversions for type punning.</li>
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</ul>
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<h2 id="LuaJIT-2.0.3">LuaJIT 2.0.3 &mdash; 2014-03-12</h2>
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<li>Add PS4 port.</li>
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‎deps/luajit/doc/contact.html

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<title>Contact</title>
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<h2>Copyright</h2>
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<p>
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All documentation is
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</p>
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&middot;
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‎deps/luajit/doc/ext_c_api.html

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<title>Lua/C API Extensions</title>
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Copyright &copy; 2005-2015 Mike Pall
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‎deps/luajit/doc/ext_ffi.html

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<title>FFI Library</title>
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Copyright &copy; 2005-2015 Mike Pall
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‎deps/luajit/doc/ext_ffi_api.html

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<title>ffi.* API Functions</title>
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‎deps/luajit/doc/ext_ffi_semantics.html

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<title>FFI Semantics</title>
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‎deps/luajit/doc/ext_ffi_tutorial.html

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<title>FFI Tutorial</title>
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individual C&nbsp;functions like this:
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local <b>funca</b>, <b>funcb</b> = ffi.C.funcb, ffi.C.funcb -- <span style="color:#c00000;">Not helpful!</span>
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local <b>funca</b>, <b>funcb</b> = ffi.C.funca, ffi.C.funcb -- <span style="color:#c00000;">Not helpful!</span>
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‎deps/luajit/doc/ext_jit.html

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<title>jit.* Library</title>
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Contains the target architecture name:
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"x86", "x64", "arm", "ppc", "ppcspe", or "mips".
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‎deps/luajit/doc/extensions.html

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‎deps/luajit/doc/faq.html

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