1export fn foo() void {
 2    var a: f32 = 2;
 3    _ = &a;
 4    _ = @as(comptime_int, @intFromFloat(a));
 5}
 6export fn bar() void {
 7    var a: u32 = 2;
 8    _ = &a;
 9    _ = @as(comptime_float, @floatFromInt(a));
10}
11
12// error
13//
14// :4:41: error: unable to resolve comptime value
15// :4:41: note: value casted to 'comptime_int' must be comptime-known
16// :9:43: error: unable to resolve comptime value
17// :9:43: note: value casted to 'comptime_float' must be comptime-known