test/tint/shadowing/function/param.wgsl - dawn - Git at Google

 fn a(a : i32) {
   let b = a;
 }

 @compute @workgroup_size(1)
 fn main() {
     a(1);
 }
	fn a(a : i32) {
	let b = a;
	}

	@compute @workgroup_size(1)
	fn main() {
	a(1);
	}