test/tint/statements/assign/indexed_assign_to_array_in_struct/struct_array_array.wgsl

struct Uniforms {
  i : u32,
  j : u32,
};

struct InnerS {
  v : i32,
};

struct OuterS {
  a1 : array<array<InnerS, 8>, 8>,
};

@group(1) @binding(4) var<uniform> uniforms : Uniforms;

@stage(compute) @workgroup_size(1)
fn main() {
  var v : InnerS;
  var s1 : OuterS;
  s1.a1[uniforms.i][uniforms.j] = v;
}