[Bug c++/64524] gcc can't detect same expression in both parts of ternary operator

["dcb314 at hotmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64524

--- Comment #6 from David Binderman <dcb314 at hotmail dot com> ---
(In reply to Andrew Pinski from comment #5)
> And really here is another false positive:
> #define a 1
> #define b 1
> 
> int t = c > d ? a : b;

Assuming you meant

int t = (c > d) ? a : b;

then I'd be interested to find out how that's a false positive.

Just to add some salt into the pot, another interesting case might be

enum E { a, b, c, d };

void f(int val)
{
    int n = (val >= 10) ? a : (d - 4);