[clang] [clang-tools-extra] [clang] Make `InitListExpr::isExplicit()` work (PR #195175)

[Aaron Ballman via cfe-commits]

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@@ -775,8 +776,12 @@ AST_MATCHER_P(ClassTemplateSpecializationDecl, hasSpecializedTemplate,
 /// implicit default/copy constructors).
 AST_POLYMORPHIC_MATCHER(isImplicit,
                         AST_POLYMORPHIC_SUPPORTED_TYPES(Decl, Attr,
-                                                        LambdaCapture)) {
-  return Node.isImplicit();
+                                                        LambdaCapture,
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AaronBallman wrote:

I think it'd be good to update the comment to give some code examples, as other matchers do (and then regenerate the AST matcher documentation by running `clang/docs/tools/dump_ast_matchers.py`).

https://github.com/llvm/llvm-project/pull/195175