On Wed, Mar 7, 2018 at 5:04 PM, Jakub Jelinek wrote:
> - /* Don't fold __builtin_constant_p within a constexpr function. */
> - bool bi_const_p = (DECL_FUNCTION_CODE (fun) == BUILT_IN_CONSTANT_P);
> + /* Don't fold __builtin_{,early_}constant_p within a constexpr function.
> */
> + bool bi_
Hi!
This is the implementation of __builtin_early_constant_p builtin which
is at all optimization levels quite similar to __builtin_constant_p
at -O0, except that the FE folding might be slightly different between -O0
and -O1+. In any case, the builtin is folded to 0 already during the FEs
if the