test/tint/buffer/uniform/std140/array/mat3x4_f32/static_index_via_ptr.wgsl

@group(0) @binding(0) var<uniform> a : array<mat3x4<f32>, 4>;

@compute @workgroup_size(1)
fn f() {
  let p_a       = &a;
  let p_a_2     = &((*p_a)[2]);
  let p_a_2_1   = &((*p_a_2)[1]);

  let l_a       : array<mat3x4<f32>, 4> = *p_a;
  let l_a_i     : mat3x4<f32>           = *p_a_2;
  let l_a_i_i   : vec4<f32>             = *p_a_2_1;
}