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

[via cfe-commits]

================
@@ -2270,9 +2270,11 @@ bool Lexer::LexRawStringLiteral(Token &Result, const char *CurPtr,
       const char *PrefixEnd = &CurPtr[PrefixLen];
       if (PrefixLen == 16) {
         Diag(PrefixEnd, diag::err_raw_delim_too_long);
-      } else {
+      } else if (*PrefixEnd != '\n') {
----------------
akshaykumars614 wrote:

Great! Thanks, I will flip the conditions. and update the testcases.

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