Teach PackExpansionExpr to keep track of the number of pack expansions
it will expand to, if known. Propagate this information throughout Sema.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123470 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTWriterStmt.cpp b/lib/Serialization/ASTWriterStmt.cpp
index c41cc1a..205f4dc 100644
--- a/lib/Serialization/ASTWriterStmt.cpp
+++ b/lib/Serialization/ASTWriterStmt.cpp
@@ -1301,6 +1301,7 @@
void ASTStmtWriter::VisitPackExpansionExpr(PackExpansionExpr *E) {
VisitExpr(E);
Writer.AddSourceLocation(E->getEllipsisLoc(), Record);
+ Record.push_back(E->NumExpansions);
Writer.AddStmt(E->getPattern());
Code = serialization::EXPR_PACK_EXPANSION;
}