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);