https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107515
--- Comment #6 from Kevin Bracey <kevin.bracey at alifsemi dot com> --- Retesting the Godbolt on trunk, it's now worse - every line produces multiple not-very-informative errors: source>:7:9: error: '_Generic' specifies two compatible types 7 | x = vmulq(x, 0.5); // ok | ^~~~~ <source>:7:9: note: compatible type is here 7 | x = vmulq(x, 0.5); // ok | ^~~~~ (repeated 6 times per source line)