http://bugzilla.opensuse.org/show_bug.cgi?id=1197065 Bug ID: 1197065 Summary: gcc11: 0ad lua i586 segfault Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Development Assignee: rguenther@suse.com Reporter: bwiedemann@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- We encountered a segfault in i586 builds of 0ad/premake5/lua that even led people to deactivate that build in https://build.opensuse.org/request/show/961440 However, on closer inspection, this might be due to a compiler issue around propagating constants that went away with -O2 or +++ b/build/premake/premake5/contrib/lua/src/lua.h -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); +++ b/build/premake/premake5/contrib/lua/src/lapi.c -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) { For reference the segfault was at (gdb) bt #0 reverse (L=<optimized out>, to=0x56774ffc, from=0x5677b9d4) at ../../contrib/lua/src/lapi.c:198 #1 lua_rotate.constprop.0 (L=<optimized out>, n=<optimized out>, idx=-2) at ../../contrib/lua/src/lapi.c:217 #2 0x565713d3 in luaL_requiref (L=0x567781a4, modname=0x566753d3 "_G", openf=0x565b2f90 <luaopen_base>, glb=1) at ../../contrib/lua/src/lauxlib.c:983 #3 0x5658e66f in luaL_openlibs (L=0x567781a4) at ../../contrib/lua/src/linit.c:64 #4 0x5656edc7 in main (argc=1, argv=0xffffd9c4) at ../../src/host/premake_main.c:15 -- You are receiving this mail because: You are on the CC list for the bug.