[PATCH] D43494: [Modules] Fix creating fake definition data for lambdas.

[Adrian Prantl via Phabricator via cfe-commits]

aprantl added inline comments.


================
Comment at: clang/lib/Serialization/ASTReaderDecl.cpp:2969
 
+    if (!DD && RD->isBeingDefined())
+      return nullptr;
----------------
Perhaps add a comment explaining what's going on in this early exit?


https://reviews.llvm.org/D43494