message: Update to which requires LLVM 8.
  The intrinsics don't produce correct (for wasm) outputs in all cases.
diff: @@ -267,11 +267,11 @@ impl Intrinsics {
  sqrt_f32: module.add_function("llvm.sqrt.f32", ret_f32_take_f32, None),
  sqrt_f64: module.add_function("llvm.sqrt.f64", ret_f64_take_f64, None),
  - minimum_f32: module.add_function("llvm.minnum.f32", ret_f32_take_f32_f32, None),
  - minimum_f64: module.add_function("llvm.minnum.f64", ret_f64_take_f64_f64, None),
  + minimum_f32: module.add_function("llvm.minimum.f32", ret_f32_take_f32_f32, None),
  + minimum_f64: module.add_function("llvm.minimum.f64", ret_f64_take_f64_f64, None),
  - maximum_f32: module.add_function("llvm.maxnum.f32", ret_f32_take_f32_f32, None),
  - maximum_f64: module.add_function("llvm.maxnum.f64", ret_f64_take_f64_f64, None),
  + maximum_f32: module.add_function("llvm.maximum.f32", ret_f32_take_f32_f32, None),
  + maximum_f64: module.add_function("llvm.maximum.f64", ret_f64_take_f64_f64, None),
  ceil_f32: module.add_function("llvm.ceil.f32", ret_f32_take_f32, None),
  ceil_f64: module.add_function("llvm.ceil.f64", ret_f64_take_f64, None),
  