[clang] bad error message on incorrect string literal #18079 (PR #81670)

[Jon Roelofs via cfe-commits]

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@@ -102,6 +102,9 @@ def err_raw_delim_too_long : Error<
 def err_invalid_char_raw_delim : Error<
   "invalid newline character in raw string delimiter"
   "; use PREFIX( )PREFIX to delimit raw string">;
+def err_invalid_nexline_raw_delim : Error<
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jroelofs wrote:

```suggestion
def err_invalid_newline_raw_delim : Error<
```

https://github.com/llvm/llvm-project/pull/81670