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

struct Uniforms {
  i : u32,
};

struct InnerS {
  v : i32,
};

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

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

@compute @workgroup_size(1)
fn main() {
  var v : InnerS;
  var s1 : OuterS;
  s1.a1[uniforms.i] = v;
  //s1.a1[0] = v;
}