On 06/06/2016 08:36 AM, Jakub Jelinek wrote:
@@ -352,6 +352,35 @@ builtin_valid_in_constant_expr_p (const_
case BUILT_IN_FUNCTION:
case BUILT_IN_LINE:
+ /* The following built-ins are valid in constant expressions
+ when their arguments are. */
+ case BUILT_IN_ADD_OVERFLOW:
+ case BUILT_IN_ADD_OVERFLOW_P:
....
Why is this necessary? builtin_valid_in_constant_expr_p is only needed
for builtins that can have constant values even if their operands are
non-constant, which doesn't apply here.
For that matter, I don't see why we needed to add _FUNCTION et al, either.
Jason
