martong added a subscriber: gamesh411.
martong added inline comments.

================
Comment at: clang/lib/AST/ASTImporter.cpp:1152
+  if (Error E = importSeq(ToElementType, ToSizeExpr))
+    return std::move(E);
 
----------------
Quuxplusone wrote:
> As the author of [P1155 "More Implicit Move"](https://wg21.link/p1155), I 
> would expect that you don't need `return std::move(E)` — `return E` should 
> just as well perform "implicit move" in C++11 and later, assuming that 
> `llvm::Expected<QualType>` has a valid constructor from `llvm::Error&&`.
> 
> You're not seeing any compiler diagnostic that //suggests// you use 
> `std::move` here, are you?
I have some vague and obscure memory about that GCC 4.8 (or 5.2) required 
explicitly the && cast, otherwise we had a diagnostic (@gamesh411 maybe you 
help me to recall that?)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73675/new/

https://reviews.llvm.org/D73675



_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to