[clang] [Clang] Warn on backslash-newline-EOF (PR #97585)

[via cfe-commits]

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@@ -647,6 +647,8 @@ Improvements to Clang's diagnostics
 
 - Clang now shows implicit deduction guides when diagnosing overload resolution failure. #GH92393.
 
+- Clang now emits ``-Wnewline-eof`` when the last newline is deleted by a preceding backslash. #GH41571.
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cor3ntin wrote:

```suggestion
- Clang now emits ``-Wnewline-eof`` when the last newline follows a splicing backslash . #GH41571.
```

https://github.com/llvm/llvm-project/pull/97585