https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114175
--- Comment #19 from Edwin Lu <ewlu at rivosinc dot com> --- While debugging, I found that this testcase also breaks on x86_64 when optimizations are enabled (-O1 -> -O3). Godbolt: https://godbolt.org/z/ecs5MPds8 There may be other targets that fail as well. I haven't tested any others though