Date: 2022-03-13
Author: Bernhard M. Wiedemann <bwiedemann suse.de>

fix/workaround i586 build
https://bugzilla.opensuse.org/show_bug.cgi?id=1197065

It was segfaulting in premake5 because of a problem with gcc11 and the premake5 source
(gdb) bt
#0  0x5666a68b in ?? ()
#1  0x565713e5 in luaL_requiref ()
#2  0x5658e67f in luaL_openlibs ()
#3  0x5656edc7 in main ()


diff --git a/build/premake/premake5/contrib/lua/src/lapi.c b/build/premake/premake5/contrib/lua/src/lapi.c
index 02b7fab..cd4e176 100644
--- a/build/premake/premake5/contrib/lua/src/lapi.c
+++ b/build/premake/premake5/contrib/lua/src/lapi.c
@@ -204,7 +204,7 @@ static void reverse (lua_State *L, StkId from, StkId to) {
 ** Let x = AB, where A is a prefix of length 'n'. Then,
 ** rotate x n == BA. But BA == (A^r . B^r)^r.
 */
-LUA_API void lua_rotate (lua_State *L, int idx, int n) {
+LUA_API __attribute__((noipa)) void lua_rotate (lua_State *L, int idx, int n) {
   StkId p, t, m;
   lua_lock(L);
   t = L->top - 1;  /* end of stack segment being rotated */
diff --git a/build/premake/premake5/contrib/lua/src/lua.h b/build/premake/premake5/contrib/lua/src/lua.h
index c236e36..7d4aebb 100644
--- a/build/premake/premake5/contrib/lua/src/lua.h
+++ b/build/premake/premake5/contrib/lua/src/lua.h
@@ -159,7 +159,7 @@ LUA_API int   (lua_absindex) (lua_State *L, int idx);
 LUA_API int   (lua_gettop) (lua_State *L);
 LUA_API void  (lua_settop) (lua_State *L, int idx);
 LUA_API void  (lua_pushvalue) (lua_State *L, int idx);
-LUA_API void  (lua_rotate) (lua_State *L, int idx, int n);
+LUA_API __attribute__((noipa)) void  (lua_rotate) (lua_State *L, int idx, int n);
 LUA_API void  (lua_copy) (lua_State *L, int fromidx, int toidx);
 LUA_API int   (lua_checkstack) (lua_State *L, int n);