[clang-tools-extra] [clang-tidy] Enhance modernize-use-starts-ends-with to handle substr patterns (PR #116033)

[Congcong Cai via cfe-commits]

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@@ -30,6 +30,17 @@ struct NotLengthExprForStringNode {
                IntegerLiteralSizeNode->getValue().getZExtValue();
       }
 
+      if (const auto *DeclRefNode = Node.get<DeclRefExpr>()) {
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HerrCai0907 wrote:

llvm code guideline wants to ignore `{}` for `if` / `for` with single statement in body.

https://github.com/llvm/llvm-project/pull/116033