test/tint/bug/tint/1086.wgsl - dawn - Git at Google

 var<private> v : f32;

 fn x(p : ptr<private, f32>) {
   (*p) = 0.0;
 }

 fn g() {
   x(&v);
 }

 @fragment
 fn f() {
   g();
 }
	var<private> v : f32;

	fn x(p : ptr<private, f32>) {
	(*p) = 0.0;
	}

	fn g() {
	x(&v);
	}

	@fragment
	fn f() {
	g();
	}