resolve feedback

Author: thisalihassan

lib/buffer.js

@@ -745,7 +745,7 @@ const encodingOps = {
     write: asciiWrite,
     slice: asciiSlice,
     indexOf: (buf, val, byteOffset, dir) =>
-      indexOfString(buf, val, byteOffset, encodingsMap.latin1, dir),
+      indexOfString(buf, val, byteOffset, encodingsMap.ascii, dir),
   },
   base64: {
     encoding: 'base64',

src/node_buffer.cc

@@ -1050,7 +1050,7 @@ void IndexOfString(const FunctionCallbackInfo<Value>& args) {
         needle_length,
         offset,
         is_forward);
-  } else if (enc == LATIN1) {
+  } else if (enc == ASCII || enc == LATIN1) {
     MaybeStackBuffer<uint8_t> needle_data(needle_length);
     StringBytes::Write(isolate,
                        reinterpret_cast<char*>(needle_data.out()),