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

[Owen Pan via cfe-commits]

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@@ -2919,6 +2912,12 @@ class ExpressionParser {
 
   void addFakeParenthesis(FormatToken *Start, prec::Level Precedence,
                           FormatToken *End = nullptr) {
+    // Do not assign fake parenthesis to tokens that are part of an
+    // unexpanded macro call. The line within the macro call contains
+    // the parenthesis and commas, and we will not find operators within
+    // that structure.
+    if (Start->MacroParent) return;
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owenca wrote:

Please run git-clang-format locally. See [here](https://github.com/llvm/llvm-project/pull/76059#issuecomment-1865850011).

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