On Tue, Dec 12, 2017 at 05:35:28PM -0800, Jakub Kicinski wrote: > It used to be __always_inline, but apparently LLVM/clang doesn't > propagate constants :( > > 4e59532541c8 ("nfp: don't depend on compiler constant propagation")
Doesn't propagate constants or doesn't have exact same set of rules for __builtin_constant_p()? IOW, if you dropped that BUILD_BUG_ON(), what would be left after optimizations?