https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94986
--- Comment #4 from Nick Desaulniers <ndesaulniers at google dot com> --- (In reply to nsz from comment #2) > on arm the -pg abi is > > func: > push {lr} > bl _gnu_mcount_nc > ... > > so no frame pointer is involved, -pg implying > -fno-omit-frame-pointer is a historical mistake i think > (because some targets required fp for -pg, but most don't). > > ideally r7 clobber would just work with -pg -fomit-frame-pointer. > the alloca problem is a separate issue (that r7 clobber may not > work with alloca). Should GCC change this for aaarch32 then (rather than closing the bug)?