[clang] [clang] constexpr atomic builtins (__c11_atomic_OP and __atomic_OP) (PR #98756)

[Timm Baeder via cfe-commits]

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@@ -1921,6 +1921,22 @@ static bool EvaluateFixedPointOrInteger(const Expr *E, APFixedPoint &Result,
 static bool EvaluateFixedPoint(const Expr *E, APFixedPoint &Result,
                                EvalInfo &Info);
 
+/// Support for atomic builtins
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tbaederr wrote:

```suggestion
/// Support for atomic builtins.
```
Same for all other comments (also, start with a capital letter, etc.).

https://github.com/llvm/llvm-project/pull/98756