[PATCH] D46328: [X86] Mark all x86 specific builtins as nothrow.

[Eli Friedman via Phabricator via cfe-commits]

efriedma added a comment.

You could write a test like `static_assert(noexcept(__builtin_ia32_bzhi_di(0,0)), "");`.  I don't think it has any other effect.


Repository:
  rC Clang

https://reviews.llvm.org/D46328