[clang] [clang] Rework `hasBooleanRepresentation`. (PR #136038)

[John McCall via cfe-commits]

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@@ -2774,7 +2774,7 @@ class alignas(TypeAlignment) Type : public ExtQualsTypeCommonBase {
   bool hasFloatingRepresentation() const;
 
   /// Determine whether this type has a boolean representation
-  /// of some sort.
+  /// of some sort, e.g., it is a boolean type or a vector thereof.
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rjmccall wrote:

```suggestion
  /// of some sort, i.e., it is a boolean type or a vector thereof.
```

https://github.com/llvm/llvm-project/pull/136038