https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100909
Peter Bergner <bergner at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 CC| |bergner at gcc dot gnu.org, | |marxin at gcc dot gnu.org, | |segher at gcc dot gnu.org Status|UNCONFIRMED |NEW Last reconfirmed| |2021-06-04 --- Comment #1 from Peter Bergner <bergner at gcc dot gnu.org> --- Confirmed. creduce on the attached test case gives me: bergner@pike:~/gcc/BUGS/PR100909$ cat pr100909.i void __attribute__((__optimize__("O2"))) a() { } bergner@pike:~/gcc/BUGS/PR100909$ /home/bergner/gcc/build/gcc-fsf-mainline-pr100799-debug/gcc/xgcc -B/home/bergner/gcc/build/gcc-fsf-mainline-pr100799-debug/gcc -S -mlong-double-128 -mabi=ibmlongdouble pr100909.i pr100909.i:1:1: error: ‘-mabi=ibmlongdouble’ requires ‘-mlong-double-128’ 1 | void __attribute__((__optimize__("O2"))) a() { } | ^~~~ pr100909.i: In function ‘a’: pr100909.i:1:1: error: ‘-mabi=ibmlongdouble’ requires ‘-mlong-double-128’ pr100909.i:1:1: error: ‘-mabi=ibmlongdouble’ requires ‘-mlong-double-128’ pr100909.i:1:42: error: ‘-mabi=ibmlongdouble’ requires ‘-mlong-double-128’ 1 | void __attribute__((__optimize__("O2"))) a() { } | ^ pr100909.i:1:42: error: ‘-mabi=ibmlongdouble’ requires ‘-mlong-double-128’