test/statements/assign/indexed_assign_to_array_in_struct/struct_struct_array.wgsl

struct Uniforms {
  i : u32;
};

struct InnerS {
  v : i32;
};

struct S1 {
  a : array<InnerS, 8>;
};

struct OuterS {
  s2 : S1;
};

[[group(1), binding(4)]] var<uniform> uniforms : Uniforms;

[[stage(compute), workgroup_size(1)]]
fn main() {
  var v : InnerS;
  var s1 : OuterS;
  s1.s2.a[uniforms.i] = v;
}