apply known upstream bugfixes

lua-5.3.4-bug1.patch

@@ -0,0 +1,12 @@
+diff -up lua-5.3.4/src/lparser.c.bug1 lua-5.3.4/src/lparser.c
+--- lua-5.3.4/src/lparser.c.bug1	2017-08-02 16:03:43.730247916 -0400
++++ lua-5.3.4/src/lparser.c	2017-08-02 16:03:56.507957260 -0400
+@@ -1392,7 +1392,7 @@ static void test_then_block (LexState *l
+     luaK_goiffalse(ls->fs, &v);  /* will jump to label if condition is true */
+     enterblock(fs, &bl, 0);  /* must enter block before 'goto' */
+     gotostat(ls, v.t);  /* handle goto/break */
+-    skipnoopstat(ls);  /* skip other no-op statements */
++    while (testnext(ls, ';')) {}  /* skip colons */
+     if (block_follow(ls, 0)) {  /* 'goto' is the entire block? */
+       leaveblock(fs);
+       return;  /* and that is it */

lua-5.3.4-bug4.patch

@@ -0,0 +1,11 @@
+diff -up lua-5.3.4/src/ldebug.c.bug4 lua-5.3.4/src/ldebug.c
+--- lua-5.3.4/src/ldebug.c.bug4	2017-08-02 16:05:36.985671687 -0400
++++ lua-5.3.4/src/ldebug.c	2017-08-02 16:05:55.257256062 -0400
+@@ -653,6 +653,7 @@ l_noret luaG_runerror (lua_State *L, con
+   CallInfo *ci = L->ci;
+   const char *msg;
+   va_list argp;
++  luaC_checkGC(L);  /* error message uses memory */
+   va_start(argp, fmt);
+   msg = luaO_pushvfstring(L, fmt, argp);  /* format message */
+   va_end(argp);

lua.spec

@@ -12,7 +12,7 @@
 
 Name:           lua
 Version:        %{major_version}.4
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Powerful light-weight programming language
 Group:          Development/Languages
 License:        MIT
@@ -39,6 +39,10 @@ Patch6:         %{name}-5.2.2-idsize.patch
 Patch7:         %{name}-5.2.2-luac-shared-link-fix.patch
 Patch8:         %{name}-5.2.2-configure-compat-module.patch
 %endif
+# https://www.lua.org/bugs.html
+Patch9:         lua-5.3.4-bug1.patch
+Patch10:        lua-5.3.4-bug4.patch
+Patch11:        lua-5.3.4-bug5.patch
 
 BuildRequires:  automake autoconf libtool readline-devel ncurses-devel
 Provides:       lua(abi) = %{major_version}
@@ -91,7 +95,10 @@ mv src/luaconf.h src/luaconf.h.template.in
 #%% patch2 -p1 -z .luac-shared
 %patch3 -p1 -z .configure-linux
 %patch4 -p1 -z .configure-compat-all
-autoreconf -i
+%patch9 -p1 -b .bug1
+%patch10 -p1 -b .bug4
+%patch11 -p1 -b .bug5
+autoreconf -ifv
 
 %if 0%{?bootstrap}
 cd lua-%{bootstrap_version}/
@@ -211,6 +218,9 @@ install -Dpm 0644 %{SOURCE1000} $RPM_BUILD_ROOT/%{macrosdir}/macros.lua
 
 
 %changelog
+* Sun Oct 29 2017 Tom Callaway <spot@fedoraproject.org> - 5.3.4-6
+- apply known upstream bugfixes
+
 * Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 5.3.4-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild