SKIP: FAILED

#ifndef WGSL_SPEC_CONSTANT_0
#error spec constant required for constant id 0
#endif
static const int o = WGSL_SPEC_CONSTANT_0;

[numthreads(1, 1, 1)]
void main() {
  return;
}
/tmp/tint_kYjxDo:2:2: error: spec constant required for constant id 0
#error spec constant required for constant id 0
 ^