Giovanni Mascellani (@giomasce) commented about libs/vkd3d-shader/hlsl.y:
{if (!(args[ARG_MIP_LEVEL] = add_implicit_conversion(ctx, instrs, args[ARG_MIP_LEVEL],hlsl_get_scalar_type(ctx, HLSL_TYPE_UINT), loc))){return false;}continue;}uint_resinfo &= hlsl_types_are_equal(params->args[j]->data_type, uint_type);if (params->args[j]->data_type->class != HLSL_CLASS_SCALAR){hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Expected scalar arguments.");break;
Maybe you should `return false` here too, so that the compiler doesn't keep trying to compile hopeless code.