https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77686
--- Comment #6 from ktkachov at gcc dot gnu.org --- (In reply to Richard Biener from comment #5) > This can only uncover another pre-existing issue as it is a 100% obvious > fix. I do not have a good way to run anything on arm so please help me spot > the wrong-code in the assembler output. > > TBAA issues are also often exposed by scheduling so please try > -fno-schedule-insns[2] or -fstrict-aliasing with -O1. > You're right. -fno-schedule-insns2 makes the testcase pass at -O2 > -Updating SSA information for statement MEM[(struct function *)&D.43856 + > 4B] = __f$__dummy_a; > +Updating SSA information for statement MEM[(struct __lambda0 *)&D.43856] = > > this might also very well be a C++ FE issue.
