bug/tint/1474-b.wgsl:7:5 warning: code is unreachable
    let non_uniform_cond = non_uniform_value == 0;
    ^^^^^^^^^^^^^^^^^^^^

#include <metal_stdlib>

using namespace metal;
kernel void tint_symbol(device int* tint_symbol_1 [[buffer(0)]]) {
  return;
  bool const non_uniform_cond = (*(tint_symbol_1) == 0);
  if (non_uniform_cond) {
    threadgroup_barrier(mem_flags::mem_threadgroup);
  }
  return;
}