test/tint/expressions/bitcast/const/128bit/vec4u32-vec4i32.wgsl - dawn - Git at Google

 @compute @workgroup_size(1)
 fn f() {
     const a : vec4<u32> = vec4<u32>(1073757184u, 3288351232u, 3296724992u, 987654321u);
     let b : vec4<i32> = bitcast<vec4<i32>>(a);
 }
	@compute @workgroup_size(1)
	fn f() {
	const a : vec4<u32> = vec4<u32>(1073757184u, 3288351232u, 3296724992u, 987654321u);
	let b : vec4<i32> = bitcast<vec4<i32>>(a);
	}