Missing support for `or` intrinsic

[chaoticbob]

Since Slang supports the and and select intrinsics, it only feels right to support the or intrinsic. Shader below currently results in the following error:

shader.hlsl(7): error 30015: undefined identifier 'or'.
    c = or(a, b);
        ^~
shader.hlsl(13): error 30015: undefined identifier 'or'.
    k = or(i, j);
        ^~
shader.hlsl(14): error 30015: undefined identifier 'or'.
    n = or(m, l);
        ^~
shader.hlsl(15): error 30015: undefined identifier 'or'.
    q = or(o, p);
        ^~
shader.hlsl(16): error 30015: undefined identifier 'or'.
    t = or(r, s);
        ^~
shader.hlsl(18): error 30015: undefined identifier 'or'.
    k = or(k, true);
        ^~
shader.hlsl(19): error 30015: undefined identifier 'or'.
    n = or(n, true);
        ^~
shader.hlsl(20): error 30015: undefined identifier 'or'.
    q = or(q, true);
        ^~
shader.hlsl(21): error 30015: undefined identifier 'or'.
    t = or(t, true);
        ^~
shader.hlsl(23): error 30015: undefined identifier 'or'.
    bool2 tv = bool2(or(a, b), or(k.x, or(n.x, or(q.x, t.x))));
                     ^~
shader.hlsl(23): error 30015: undefined identifier 'or'.
    bool2 tv = bool2(or(a, b), or(k.x, or(n.x, or(q.x, t.x))));
                                               ^~
shader.hlsl(23): error 30015: undefined identifier 'or'.
    bool2 tv = bool2(or(a, b), or(k.x, or(n.x, or(q.x, t.x))));
                                       ^~
shader.hlsl(23): error 30015: undefined identifier 'or'.
    bool2 tv = bool2(or(a, b), or(k.x, or(n.x, or(q.x, t.x))));

Shader

float4 main() : SV_Target
{
    bool a, b, c;
    c = or(a, b);

    bool1 i, j, k;
    bool2 l, m, n;
    bool3 o, p, q;
    bool4 r, s, t;
    k = or(i, j);
    n = or(m, l);
    q = or(o, p);
    t = or(r, s);

    k = or(k, true);
    n = or(n, true);
    q = or(q, true);
    t = or(t, true);

    bool2 tv = bool2(or(a, b), or(k.x, or(n.x, or(q.x, t.x))));   
    return tv.x ? float4(0, 0, 0, 0) : float4(1, 1, 1, 1);
}