1 files changed, 10 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
index 28ccd607507..262235a9fa9 100644
--- a/clang/lib/Sema/SemaExprCXX.cpp
+++ b/clang/lib/Sema/SemaExprCXX.cpp
@@ -6836,6 +6836,16 @@ ExprResult Sema::IgnoredValueConversions(Expr *E) {
         return E;
       E = Res.get();
     }
+
+    // C++1z:
+    //   If the expression is a prvalue after this optional conversion, the
+    //   temporary materialization conversion is applied.
+    //
+    // We skip this step: IR generation is able to synthesize the storage for
+    // itself in the aggregate case, and adding the extra node to the AST is
+    // just clutter.
+    // FIXME: We don't emit lifetime markers for the temporaries due to this.
+    // FIXME: Do any other AST consumers care about this?
     return E;
   }