invalid enum value safety check should include the tried value

[nektro]

Zig Version

0.10.0-dev.4620+c389f8800

Steps to Reproduce and Observed Behavior

const E = enum(u8) {
    a,
    b,
    c,
    d,
};

pub fn main() void {
    var a: u8 = 20;
    _ = @intToEnum(E, a);
}

thread 3390539 panic: invalid enum value
./test.zig:10:5: 0x2101ce in main (test)
    _ = @intToEnum(E, a);
    ^
...

Expected Behavior

thread 3390539 panic: invalid enum value, found 20
./test.zig:10:5: 0x2101ce in main (test)
    _ = @intToEnum(E, a);
    ^
...