test/tint/identifiers/underscore/prefix/lower/parameter.wgsl.expected.dxc.hlsl

RWByteAddressBuffer s : register(u0);

void f(int _a) {
  const int b = _a;
  s.Store(0u, asuint(b));
}

[numthreads(1, 1, 1)]
void main() {
  f(1);
  return;
}