test/tint/expressions/bitcast/let/128bit/vec4i32-vec4u32.wgsl

@compute @workgroup_size(1)
fn f() {
    let a : vec4<i32> = vec4<i32>(1073757184i, -1006616064i, -998242304i, 987654321i);
    let b : vec4<u32> = bitcast<vec4<u32>>(a);
}