src: use validate_ascii_with_errors

Author: ChALkeR

src/encoding_binding.cc

@@ -365,7 +365,7 @@ void BindingData::DecodeUTF8(const FunctionCallbackInfo<Value>& args) {
 
   if (has_fatal) {
     // Are we perhaps ASCII? Then we won't have to check for UTF-8
-    if (simdutf::validate_ascii(data, length)) {
+    if (!simdutf::validate_ascii_with_errors(data, length).error) {
       Local<Value> ret;
       if (StringBytes::Encode(env->isolate(), data, length, LATIN1)
               .ToLocal(&ret)) {

src/string_bytes.cc

@@ -535,7 +535,7 @@ MaybeLocal<Value> StringBytes::Encode(Isolate* isolate,
       // ASCII fast path
       // TODO(chalker): remove when String::NewFromUtf8 is fast enough itself
       // This is cheap compared to the benefits though
-      if (simdutf::validate_ascii(buf, buflen)) {
+      if (!simdutf::validate_ascii_with_errors(buf, buflen).error) {
         return ExternOneByteString::NewFromCopy(isolate, buf, buflen);
       }