On 05/11/2015 04:39 PM, Jan Hubicka wrote:
What happens in LTO is that lto-symtab decide to merge the two declarations of foo. At this time it has chance to output the warning. For that it needs to be able to work out that these declarations are having different types, but because LTO merge canonical types on structural basis, types_compatible_p (long, int) will return true.
OK. So I guess it makes sense to check built-in integer types as well, but compound types should be compared structurally.
Jason
