[Bug c++/125587] [contracts] "contract condition is not constant" when post being used

[waffl3x at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125587

Waffl3x <waffl3x at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |waffl3x at gcc dot gnu.org
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |c++-contracts, c++26,
                   |                            |rejects-valid
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2026-08-26

--- Comment #1 from Waffl3x <waffl3x at gcc dot gnu.org> ---
I thought I saw this elsewhere, but I couldn't find it.
Confirmed.
```
constexpr int f(int i)
    post(res: res > 0)
{
    return i;
}

static constexpr int v = f(42);
```