Created attachment 815020 [details]
crash_standard__ppc64le_201908211314.log

LTO: crash build failure TW ppc64le
as per
https://build.opensuse.org/package/live_build_log/openSUSE:Factory:PowerPC/crash/standard/ppc64le
from which I retrieved the attached crash_standard__ppc64le_201908211314.log
related extract lines:
===
[  393s] rlprivate.h:433:24: warning: type of '_rl_iscxt' does not match
original declaration [-Wlto-type-mismatch]
[  393s] isearch.c:60:17: note: '_rl_iscxt' was previously declared here
[  393s] isearch.c:60:17: note: code may be misoptimized unless
'-fno-strict-aliasing' is used
[  393s] rlprivate.h:466:24: warning: type of '_rl_nscxt' does not match
original declaration [-Wlto-type-mismatch]
[  393s] search.c:55:17: note: '_rl_nscxt' was previously declared here
[  393s] search.c:55:17: note: code may be misoptimized unless
'-fno-strict-aliasing' is used
[  393s] /tmp/ccbEePMn.s: Assembler messages:
[  393s] /tmp/ccbEePMn.s:1931: Error: can't resolve `.toc1' {.toc1 section} -
`.LCTOC1' {*UND* section}
[  393s] /tmp/ccbEePMn.s:1935: Error: can't resolve `.toc1' {.toc1 section} -
`.LCTOC1' {*UND* section}
===

There is no such failure if LTO disabled