https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71823
--- Comment #7 from Nicolas Stinus <nicolas.stinus at gmail dot com> --- (In reply to Martin Liška from comment #1) > Confirmed, it's ICE since GCC 6.1.x. I am not sure it is only ICE-on-invalid-code. In my initial source, it crashed on fma(b[i], b[i], a[i]). Thanks anyway for confirming the issue!