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

[Erich Keane via cfe-commits]

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@@ -1704,6 +1704,85 @@ void ASTStmtWriter::VisitCXXForRangeStmt(CXXForRangeStmt *S) {
   Code = serialization::STMT_CXX_FOR_RANGE;
 }
 
+void ASTStmtWriter::VisitCXXExpansionStmtPattern(CXXExpansionStmtPattern *S) {
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erichkeane wrote:

At one point we should make sure we have tests for all of this.  You can use PCH  (I do it a bunch for the -ast tests in OpenACC if you need an example) and dump-ast together to make sure the AST is the same before and after.

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