lua, bump version, add test (#4320)

Disabled for now as it's still in beta fase

dev-lang/lua/patches/lua-5.4.0~beta.gcc2.patchset

@@ -0,0 +1,37 @@
+From 0fe2f71f6eb7fb099b4ad950b50e2f27d919ea67 Mon Sep 17 00:00:00 2001
+From: Jerome Duval <jerome.duval@gmail.com>
+Date: Tue, 11 Aug 2015 17:13:15 +0000
+Subject: gcc2 patch
+
+
+diff --git a/src/Makefile b/src/Makefile
+index d0c4194..f5491cf 100644
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -6,8 +6,8 @@
+ # Your platform. See PLATS for possible values.
+ PLAT= none
+ 
+-CC= gcc -std=gnu99
+-CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_3 $(SYSCFLAGS) $(MYCFLAGS)
++CC= gcc
++CFLAGS= -O2 -Wall -DLUA_COMPAT_5_3 $(SYSCFLAGS) $(MYCFLAGS)
+ LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
+ LIBS= -lm $(SYSLIBS) $(MYLIBS)
+ 
+diff --git a/src/llimits.h b/src/llimits.h
+index 2b52c83..ddbc51a 100644
+--- a/src/llimits.h
++++ b/src/llimits.h
+@@ -146,7 +146,7 @@ typedef LUAI_UACINT l_uacInt;
+ */
+ #if !defined(likely)
+ 
+-#if defined(__GNUC__)
++#if defined(__GNUC__) > 3
+ #define likely(x)	(__builtin_expect(((x) != 0), 1))
+ #define unlikely(x)	(__builtin_expect(((x) != 0), 0))
+ #else
+-- 
+2.23.0
+