[clang] [ClangFormat] Fix formatting bugs. (PR #76245)

[Owen Pan via cfe-commits]

================
@@ -255,6 +255,41 @@ TEST_F(FormatTestMacroExpansion,
                          Style);
 }
 
+TEST_F(FormatTestMacroExpansion, CommaAsOperator) {
+  FormatStyle Style = getGoogleStyle();
+  Style.ColumnLimit = 42;
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owenca wrote:

```suggestion
  FormatStyle Style = getGoogleStyleWithColumns(42);
```

https://github.com/llvm/llvm-project/pull/76245