[clang] [Clang] [C++26] Expansion Statements (Part 1: AST) (PR #169680)

[Shafik Yaghmour via cfe-commits]

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@@ -1512,6 +1516,30 @@ void clang::TextNodeDumper::VisitCoreturnStmt(const CoreturnStmt *Node) {
     OS << " implicit";
 }
 
+void TextNodeDumper::VisitCXXExpansionStmtPattern(
+    const CXXExpansionStmtPattern *Node) {
+  switch (Node->getKind()) {
+  case CXXExpansionStmtPattern::ExpansionStmtKind::Enumerating:
+    OS << " enumerating";
+    break;
+  case CXXExpansionStmtPattern::ExpansionStmtKind::Iterating:
+    OS << " iterating";
+    break;
+  case CXXExpansionStmtPattern::ExpansionStmtKind::Destructuring:
+    OS << " destructuring";
+    break;
+  case CXXExpansionStmtPattern::ExpansionStmtKind::Dependent:
+    OS << " dependent";
+    break;
+  }
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shafik wrote:

llvm_unreachable?

https://github.com/llvm/llvm-project/pull/169680