[llvm] [NFC][CodingStandard] Add additional example for if-else brace rule (PR #111733)

[Owen Pan via llvm-commits]

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@@ -1713,6 +1713,14 @@ would help to avoid running into a "dangling else" situation.
     handleOtherDecl(D);
   }
 
+  // Use braces for the `else` block to keep it uniform with the `if` block.
+  if (isa<FunctionDecl>(D)) {
+    verifyFunctionDecl(D);
+    handleFunctionDecl(D);
+  } else {
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owenca wrote:

I would add an `else if` single-statement block too.

https://github.com/llvm/llvm-project/pull/111733